Home / 286,645,854,812.40-429,952,711,041-87,898,598,342.64

Finding the Fourth Proportional to 286,645,854,812.40, 429,952,711,041 and 87,898,598,342.64

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Solution

The fourth proportional to 286,645,854,812.40, 429,952,711,041 and 87,898,598,342.64 is: 131,842,969,363.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,645,854,812.40 : 429,952,711,041 = 87,898,598,342.64 : x
  2. Step 2: Convert to fraction form
    286,645,854,812.40/429,952,711,041 = 87,898,598,342.64/x
  3. Step 3: Cross multiply
    286,645,854,812.40x = 429,952,711,041 × 87,898,598,342.64
  4. Step 4: Simplify right side
    286,645,854,812.40x = 37,792,240,654,122,016,047,104
  5. Step 5: Solve for x
    x = 37,792,240,654,122,016,047,104/286,645,854,812.40
  6. Step 6: Final answer
    x = 131,842,969,363.21

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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.