Home / 13,969,898,590.50-19,278,538,359.21-7,948,403,848.53

Finding the Fourth Proportional to 13,969,898,590.50, 19,278,538,359.21 and 7,948,403,848.53

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Solution

The fourth proportional to 13,969,898,590.50, 19,278,538,359.21 and 7,948,403,848.53 is: 10,968,841,863.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,969,898,590.50 : 19,278,538,359.21 = 7,948,403,848.53 : x
  2. Step 2: Convert to fraction form
    13,969,898,590.50/19,278,538,359.21 = 7,948,403,848.53/x
  3. Step 3: Cross multiply
    13,969,898,590.50x = 19,278,538,359.21 × 7,948,403,848.53
  4. Step 4: Simplify right side
    13,969,898,590.50x = 153,233,608,488,377,974,784
  5. Step 5: Solve for x
    x = 153,233,608,488,377,974,784/13,969,898,590.50
  6. Step 6: Final answer
    x = 10,968,841,863.50

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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.