Home / 501,334,048.40-752,001,072.60-392,494,931.60

Finding the Fourth Proportional to 501,334,048.40, 752,001,072.60 and 392,494,931.60

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Solution

The fourth proportional to 501,334,048.40, 752,001,072.60 and 392,494,931.60 is: 588,742,397.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,334,048.40 : 752,001,072.60 = 392,494,931.60 : x
  2. Step 2: Convert to fraction form
    501,334,048.40/752,001,072.60 = 392,494,931.60/x
  3. Step 3: Cross multiply
    501,334,048.40x = 752,001,072.60 × 392,494,931.60
  4. Step 4: Simplify right side
    501,334,048.40x = 295,156,609,553,263,680
  5. Step 5: Solve for x
    x = 295,156,609,553,263,680/501,334,048.40
  6. Step 6: Final answer
    x = 588,742,397.40

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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.