Home / 415,715,980.71-623,494,500.93-124,583,103.47

Finding the Fourth Proportional to 415,715,980.71, 623,494,500.93 and 124,583,103.47

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Solution

The fourth proportional to 415,715,980.71, 623,494,500.93 and 124,583,103.47 is: 186,850,839.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,715,980.71 : 623,494,500.93 = 124,583,103.47 : x
  2. Step 2: Convert to fraction form
    415,715,980.71/623,494,500.93 = 124,583,103.47/x
  3. Step 3: Cross multiply
    415,715,980.71x = 623,494,500.93 × 124,583,103.47
  4. Step 4: Simplify right side
    415,715,980.71x = 77,676,879,922,026,736
  5. Step 5: Solve for x
    x = 77,676,879,922,026,736/415,715,980.71
  6. Step 6: Final answer
    x = 186,850,839.34

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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.