Home / 491,010,933.60-736,516,400.40-127,505,289.60

Finding the Fourth Proportional to 491,010,933.60, 736,516,400.40 and 127,505,289.60

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Solution

The fourth proportional to 491,010,933.60, 736,516,400.40 and 127,505,289.60 is: 191,257,934.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,010,933.60 : 736,516,400.40 = 127,505,289.60 : x
  2. Step 2: Convert to fraction form
    491,010,933.60/736,516,400.40 = 127,505,289.60/x
  3. Step 3: Cross multiply
    491,010,933.60x = 736,516,400.40 × 127,505,289.60
  4. Step 4: Simplify right side
    491,010,933.60x = 93,909,736,928,151,552
  5. Step 5: Solve for x
    x = 93,909,736,928,151,552/491,010,933.60
  6. Step 6: Final answer
    x = 191,257,934.40

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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.