Home / 447,833,762.12-672,053,315.34-156,703,407

Finding the Fourth Proportional to 447,833,762.12, 672,053,315.34 and 156,703,407

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Solution

The fourth proportional to 447,833,762.12, 672,053,315.34 and 156,703,407 is: 235,161,019.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,833,762.12 : 672,053,315.34 = 156,703,407 : x
  2. Step 2: Convert to fraction form
    447,833,762.12/672,053,315.34 = 156,703,407/x
  3. Step 3: Cross multiply
    447,833,762.12x = 672,053,315.34 × 156,703,407
  4. Step 4: Simplify right side
    447,833,762.12x = 105,313,044,199,423,376
  5. Step 5: Solve for x
    x = 105,313,044,199,423,376/447,833,762.12
  6. Step 6: Final answer
    x = 235,161,019.80

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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.