Home / 12,747,500,830.08-19,121,287,117.57-4,889,321,911.53

Finding the Fourth Proportional to 12,747,500,830.08, 19,121,287,117.57 and 4,889,321,911.53

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Solution

The fourth proportional to 12,747,500,830.08, 19,121,287,117.57 and 4,889,321,911.53 is: 7,333,996,626.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,747,500,830.08 : 19,121,287,117.57 = 4,889,321,911.53 : x
  2. Step 2: Convert to fraction form
    12,747,500,830.08/19,121,287,117.57 = 4,889,321,911.53/x
  3. Step 3: Cross multiply
    12,747,500,830.08x = 19,121,287,117.57 × 4,889,321,911.53
  4. Step 4: Simplify right side
    12,747,500,830.08x = 93,490,128,080,654,204,928
  5. Step 5: Solve for x
    x = 93,490,128,080,654,204,928/12,747,500,830.08
  6. Step 6: Final answer
    x = 7,333,996,626.23

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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.