Home / 386,001,000.15-578,861,337.83-211,253,182.89

Finding the Fourth Proportional to 386,001,000.15, 578,861,337.83 and 211,253,182.89

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Solution

The fourth proportional to 386,001,000.15, 578,861,337.83 and 211,253,182.89 is: 316,803,065.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,001,000.15 : 578,861,337.83 = 211,253,182.89 : x
  2. Step 2: Convert to fraction form
    386,001,000.15/578,861,337.83 = 211,253,182.89/x
  3. Step 3: Cross multiply
    386,001,000.15x = 578,861,337.83 × 211,253,182.89
  4. Step 4: Simplify right side
    386,001,000.15x = 122,286,300,067,494,800
  5. Step 5: Solve for x
    x = 122,286,300,067,494,800/386,001,000.15
  6. Step 6: Final answer
    x = 316,803,065.33

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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.