Home / 1,339,905,411.79-1,849,120,484.15-745,232,897.31

Finding the Fourth Proportional to 1,339,905,411.79, 1,849,120,484.15 and 745,232,897.31

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Solution

The fourth proportional to 1,339,905,411.79, 1,849,120,484.15 and 745,232,897.31 is: 1,028,449,772.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,905,411.79 : 1,849,120,484.15 = 745,232,897.31 : x
  2. Step 2: Convert to fraction form
    1,339,905,411.79/1,849,120,484.15 = 745,232,897.31/x
  3. Step 3: Cross multiply
    1,339,905,411.79x = 1,849,120,484.15 × 745,232,897.31
  4. Step 4: Simplify right side
    1,339,905,411.79x = 1,378,025,415,873,303,296
  5. Step 5: Solve for x
    x = 1,378,025,415,873,303,296/1,339,905,411.79
  6. Step 6: Final answer
    x = 1,028,449,772.46

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Double scale
Find fourth proportional to 1,339,905,412.79, 1,849,120,485.53 and 745,232,898.31
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.