Home / 649,858,140.47-896,803,314.56-352,500,023.60

Finding the Fourth Proportional to 649,858,140.47, 896,803,314.56 and 352,500,023.60

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Solution

The fourth proportional to 649,858,140.47, 896,803,314.56 and 352,500,023.60 is: 486,449,533.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,858,140.47 : 896,803,314.56 = 352,500,023.60 : x
  2. Step 2: Convert to fraction form
    649,858,140.47/896,803,314.56 = 352,500,023.60/x
  3. Step 3: Cross multiply
    649,858,140.47x = 896,803,314.56 × 352,500,023.60
  4. Step 4: Simplify right side
    649,858,140.47x = 316,123,189,540,711,744
  5. Step 5: Solve for x
    x = 316,123,189,540,711,744/649,858,140.47
  6. Step 6: Final answer
    x = 486,449,533.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.