Home / 28,051,560,328.73-38,711,174,124.38-15,191,300,116.94

Finding the Fourth Proportional to 28,051,560,328.73, 38,711,174,124.38 and 15,191,300,116.94

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Solution

The fourth proportional to 28,051,560,328.73, 38,711,174,124.38 and 15,191,300,116.94 is: 20,964,005,463.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,051,560,328.73 : 38,711,174,124.38 = 15,191,300,116.94 : x
  2. Step 2: Convert to fraction form
    28,051,560,328.73/38,711,174,124.38 = 15,191,300,116.94/x
  3. Step 3: Cross multiply
    28,051,560,328.73x = 38,711,174,124.38 × 15,191,300,116.94
  4. Step 4: Simplify right side
    28,051,560,328.73x = 588,073,064,002,309,062,656
  5. Step 5: Solve for x
    x = 588,073,064,002,309,062,656/28,051,560,328.73
  6. Step 6: Final answer
    x = 20,964,005,463.90

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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.