Home / 12,996,055,275.89-17,934,542,678.78-7,280,379,935.80

Finding the Fourth Proportional to 12,996,055,275.89, 17,934,542,678.78 and 7,280,379,935.80

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Solution

The fourth proportional to 12,996,055,275.89, 17,934,542,678.78 and 7,280,379,935.80 is: 10,046,916,691.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,996,055,275.89 : 17,934,542,678.78 = 7,280,379,935.80 : x
  2. Step 2: Convert to fraction form
    12,996,055,275.89/17,934,542,678.78 = 7,280,379,935.80/x
  3. Step 3: Cross multiply
    12,996,055,275.89x = 17,934,542,678.78 × 7,280,379,935.80
  4. Step 4: Simplify right side
    12,996,055,275.89x = 130,570,284,676,279,287,808
  5. Step 5: Solve for x
    x = 130,570,284,676,279,287,808/12,996,055,275.89
  6. Step 6: Final answer
    x = 10,046,916,691.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.