Home / 506,348,300.80-759,522,451.20-485,940,966.40

Finding the Fourth Proportional to 506,348,300.80, 759,522,451.20 and 485,940,966.40

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Solution

The fourth proportional to 506,348,300.80, 759,522,451.20 and 485,940,966.40 is: 728,911,449.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,348,300.80 : 759,522,451.20 = 485,940,966.40 : x
  2. Step 2: Convert to fraction form
    506,348,300.80/759,522,451.20 = 485,940,966.40/x
  3. Step 3: Cross multiply
    506,348,300.80x = 759,522,451.20 × 485,940,966.40
  4. Step 4: Simplify right side
    506,348,300.80x = 369,083,073,938,624,832
  5. Step 5: Solve for x
    x = 369,083,073,938,624,832/506,348,300.80
  6. Step 6: Final answer
    x = 728,911,449.60

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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.