Home / 314,930,280.60-472,395,420.90-291,972,029.40

Finding the Fourth Proportional to 314,930,280.60, 472,395,420.90 and 291,972,029.40

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Solution

The fourth proportional to 314,930,280.60, 472,395,420.90 and 291,972,029.40 is: 437,958,044.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,930,280.60 : 472,395,420.90 = 291,972,029.40 : x
  2. Step 2: Convert to fraction form
    314,930,280.60/472,395,420.90 = 291,972,029.40/x
  3. Step 3: Cross multiply
    314,930,280.60x = 472,395,420.90 × 291,972,029.40
  4. Step 4: Simplify right side
    314,930,280.60x = 137,926,249,719,440,160
  5. Step 5: Solve for x
    x = 137,926,249,719,440,160/314,930,280.60
  6. Step 6: Final answer
    x = 437,958,044.10

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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.