Home / 646,813,101.60-970,219,652.40-237,784,615.20

Finding the Fourth Proportional to 646,813,101.60, 970,219,652.40 and 237,784,615.20

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Solution

The fourth proportional to 646,813,101.60, 970,219,652.40 and 237,784,615.20 is: 356,676,922.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,813,101.60 : 970,219,652.40 = 237,784,615.20 : x
  2. Step 2: Convert to fraction form
    646,813,101.60/970,219,652.40 = 237,784,615.20/x
  3. Step 3: Cross multiply
    646,813,101.60x = 970,219,652.40 × 237,784,615.20
  4. Step 4: Simplify right side
    646,813,101.60x = 230,703,306,705,411,744
  5. Step 5: Solve for x
    x = 230,703,306,705,411,744/646,813,101.60
  6. Step 6: Final answer
    x = 356,676,922.80

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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.