Home / 1,454,528,125.12-2,181,792,205.92-349,132,979.20

Finding the Fourth Proportional to 1,454,528,125.12, 2,181,792,205.92 and 349,132,979.20

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Solution

The fourth proportional to 1,454,528,125.12, 2,181,792,205.92 and 349,132,979.20 is: 523,699,473.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454,528,125.12 : 2,181,792,205.92 = 349,132,979.20 : x
  2. Step 2: Convert to fraction form
    1,454,528,125.12/2,181,792,205.92 = 349,132,979.20/x
  3. Step 3: Cross multiply
    1,454,528,125.12x = 2,181,792,205.92 × 349,132,979.20
  4. Step 4: Simplify right side
    1,454,528,125.12x = 761,735,612,848,189,440
  5. Step 5: Solve for x
    x = 761,735,612,848,189,440/1,454,528,125.12
  6. Step 6: Final answer
    x = 523,699,473.18

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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.