Home / 527,143,891.71-790,158,337.65-194,937,443.67

Finding the Fourth Proportional to 527,143,891.71, 790,158,337.65 and 194,937,443.67

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Solution

The fourth proportional to 527,143,891.71, 790,158,337.65 and 194,937,443.67 is: 292,200,002.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,143,891.71 : 790,158,337.65 = 194,937,443.67 : x
  2. Step 2: Convert to fraction form
    527,143,891.71/790,158,337.65 = 194,937,443.67/x
  3. Step 3: Cross multiply
    527,143,891.71x = 790,158,337.65 × 194,937,443.67
  4. Step 4: Simplify right side
    527,143,891.71x = 154,031,446,436,027,712
  5. Step 5: Solve for x
    x = 154,031,446,436,027,712/527,143,891.71
  6. Step 6: Final answer
    x = 292,200,002.43

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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.