Home / 485,102,693.69-727,653,957.50-153,342,594.53

Finding the Fourth Proportional to 485,102,693.69, 727,653,957.50 and 153,342,594.53

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Solution

The fourth proportional to 485,102,693.69, 727,653,957.50 and 153,342,594.53 is: 230,013,865.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,102,693.69 : 727,653,957.50 = 153,342,594.53 : x
  2. Step 2: Convert to fraction form
    485,102,693.69/727,653,957.50 = 153,342,594.53/x
  3. Step 3: Cross multiply
    485,102,693.69x = 727,653,957.50 × 153,342,594.53
  4. Step 4: Simplify right side
    485,102,693.69x = 111,580,345,759,817,456
  5. Step 5: Solve for x
    x = 111,580,345,759,817,456/485,102,693.69
  6. Step 6: Final answer
    x = 230,013,865.54

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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.