Home / 484,570,948.60-726,856,422.90-432,166,929.40

Finding the Fourth Proportional to 484,570,948.60, 726,856,422.90 and 432,166,929.40

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Solution

The fourth proportional to 484,570,948.60, 726,856,422.90 and 432,166,929.40 is: 648,250,394.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,570,948.60 : 726,856,422.90 = 432,166,929.40 : x
  2. Step 2: Convert to fraction form
    484,570,948.60/726,856,422.90 = 432,166,929.40/x
  3. Step 3: Cross multiply
    484,570,948.60x = 726,856,422.90 × 432,166,929.40
  4. Step 4: Simplify right side
    484,570,948.60x = 314,123,308,399,360,832
  5. Step 5: Solve for x
    x = 314,123,308,399,360,832/484,570,948.60
  6. Step 6: Final answer
    x = 648,250,394.10

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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.