Home / 1,889,571,801.30-2,834,357,701.95-922,112,985.30

Finding the Fourth Proportional to 1,889,571,801.30, 2,834,357,701.95 and 922,112,985.30

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Solution

The fourth proportional to 1,889,571,801.30, 2,834,357,701.95 and 922,112,985.30 is: 1,383,169,477.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,571,801.30 : 2,834,357,701.95 = 922,112,985.30 : x
  2. Step 2: Convert to fraction form
    1,889,571,801.30/2,834,357,701.95 = 922,112,985.30/x
  3. Step 3: Cross multiply
    1,889,571,801.30x = 2,834,357,701.95 × 922,112,985.30
  4. Step 4: Simplify right side
    1,889,571,801.30x = 2,613,598,041,953,161,728
  5. Step 5: Solve for x
    x = 2,613,598,041,953,161,728/1,889,571,801.30
  6. Step 6: Final answer
    x = 1,383,169,477.95

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Half scale
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Double scale
Find fourth proportional to 1,889,571,802.30, 2,834,357,703.45 and 922,112,986.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.