Home / 501,334,047.40-752,001,071.10-392,494,930.60

Finding the Fourth Proportional to 501,334,047.40, 752,001,071.10 and 392,494,930.60

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Solution

The fourth proportional to 501,334,047.40, 752,001,071.10 and 392,494,930.60 is: 588,742,395.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,334,047.40 : 752,001,071.10 = 392,494,930.60 : x
  2. Step 2: Convert to fraction form
    501,334,047.40/752,001,071.10 = 392,494,930.60/x
  3. Step 3: Cross multiply
    501,334,047.40x = 752,001,071.10 × 392,494,930.60
  4. Step 4: Simplify right side
    501,334,047.40x = 295,156,608,212,520,192
  5. Step 5: Solve for x
    x = 295,156,608,212,520,192/501,334,047.40
  6. Step 6: Final answer
    x = 588,742,395.90

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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.