Home / 318,908,767.80-478,363,151.70-173,412,031.80

Finding the Fourth Proportional to 318,908,767.80, 478,363,151.70 and 173,412,031.80

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Solution

The fourth proportional to 318,908,767.80, 478,363,151.70 and 173,412,031.80 is: 260,118,047.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,908,767.80 : 478,363,151.70 = 173,412,031.80 : x
  2. Step 2: Convert to fraction form
    318,908,767.80/478,363,151.70 = 173,412,031.80/x
  3. Step 3: Cross multiply
    318,908,767.80x = 478,363,151.70 × 173,412,031.80
  4. Step 4: Simplify right side
    318,908,767.80x = 82,953,926,074,548,624
  5. Step 5: Solve for x
    x = 82,953,926,074,548,624/318,908,767.80
  6. Step 6: Final answer
    x = 260,118,047.70

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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.