Home / 1,417,178,131.20-2,125,767,196.80-1,124,460,428.40

Finding the Fourth Proportional to 1,417,178,131.20, 2,125,767,196.80 and 1,124,460,428.40

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Solution

The fourth proportional to 1,417,178,131.20, 2,125,767,196.80 and 1,124,460,428.40 is: 1,686,690,642.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,178,131.20 : 2,125,767,196.80 = 1,124,460,428.40 : x
  2. Step 2: Convert to fraction form
    1,417,178,131.20/2,125,767,196.80 = 1,124,460,428.40/x
  3. Step 3: Cross multiply
    1,417,178,131.20x = 2,125,767,196.80 × 1,124,460,428.40
  4. Step 4: Simplify right side
    1,417,178,131.20x = 2,390,341,092,792,395,264
  5. Step 5: Solve for x
    x = 2,390,341,092,792,395,264/1,417,178,131.20
  6. Step 6: Final answer
    x = 1,686,690,642.60

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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.