Home / 447,833,748.16-672,053,294.43-156,703,393.05

Finding the Fourth Proportional to 447,833,748.16, 672,053,294.43 and 156,703,393.05

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Solution

The fourth proportional to 447,833,748.16, 672,053,294.43 and 156,703,393.05 is: 235,160,998.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,833,748.16 : 672,053,294.43 = 156,703,393.05 : x
  2. Step 2: Convert to fraction form
    447,833,748.16/672,053,294.43 = 156,703,393.05/x
  3. Step 3: Cross multiply
    447,833,748.16x = 672,053,294.43 × 156,703,393.05
  4. Step 4: Simplify right side
    447,833,748.16x = 105,313,031,547,611,664
  5. Step 5: Solve for x
    x = 105,313,031,547,611,664/447,833,748.16
  6. Step 6: Final answer
    x = 235,160,998.88

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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.