Home / 19,981,369,210.68-29,972,104,912.48-5,058,536,373.72

Finding the Fourth Proportional to 19,981,369,210.68, 29,972,104,912.48 and 5,058,536,373.72

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Solution

The fourth proportional to 19,981,369,210.68, 29,972,104,912.48 and 5,058,536,373.72 is: 7,587,817,496.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,981,369,210.68 : 29,972,104,912.48 = 5,058,536,373.72 : x
  2. Step 2: Convert to fraction form
    19,981,369,210.68/29,972,104,912.48 = 5,058,536,373.72/x
  3. Step 3: Cross multiply
    19,981,369,210.68x = 29,972,104,912.48 × 5,058,536,373.72
  4. Step 4: Simplify right side
    19,981,369,210.68x = 151,614,982,896,731,979,776
  5. Step 5: Solve for x
    x = 151,614,982,896,731,979,776/19,981,369,210.68
  6. Step 6: Final answer
    x = 7,587,817,496.30

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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.