Home / 314,929,079.60-472,393,619.40-291,970,828.40

Finding the Fourth Proportional to 314,929,079.60, 472,393,619.40 and 291,970,828.40

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Solution

The fourth proportional to 314,929,079.60, 472,393,619.40 and 291,970,828.40 is: 437,956,242.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,929,079.60 : 472,393,619.40 = 291,970,828.40 : x
  2. Step 2: Convert to fraction form
    314,929,079.60/472,393,619.40 = 291,970,828.40/x
  3. Step 3: Cross multiply
    314,929,079.60x = 472,393,619.40 × 291,970,828.40
  4. Step 4: Simplify right side
    314,929,079.60x = 137,925,156,387,092,288
  5. Step 5: Solve for x
    x = 137,925,156,387,092,288/314,929,079.60
  6. Step 6: Final answer
    x = 437,956,242.60

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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.