Home / 6,390,947,949.96-8,818,744,351.68-3,532,704,060.72

Finding the Fourth Proportional to 6,390,947,949.96, 8,818,744,351.68 and 3,532,704,060.72

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Solution

The fourth proportional to 6,390,947,949.96, 8,818,744,351.68 and 3,532,704,060.72 is: 4,874,709,389.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,390,947,949.96 : 8,818,744,351.68 = 3,532,704,060.72 : x
  2. Step 2: Convert to fraction form
    6,390,947,949.96/8,818,744,351.68 = 3,532,704,060.72/x
  3. Step 3: Cross multiply
    6,390,947,949.96x = 8,818,744,351.68 × 3,532,704,060.72
  4. Step 4: Simplify right side
    6,390,947,949.96x = 31,154,013,981,631,500,288
  5. Step 5: Solve for x
    x = 31,154,013,981,631,500,288/6,390,947,949.96
  6. Step 6: Final answer
    x = 4,874,709,389.84

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Double scale
Find fourth proportional to 6,390,947,950.96, 8,818,744,353.06 and 3,532,704,061.72
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.