Home / 7,132,314,022.61-9,843,217,061.29-3,961,117,898.78

Finding the Fourth Proportional to 7,132,314,022.61, 9,843,217,061.29 and 3,961,117,898.78

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Solution

The fourth proportional to 7,132,314,022.61, 9,843,217,061.29 and 3,961,117,898.78 is: 5,466,689,094.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,132,314,022.61 : 9,843,217,061.29 = 3,961,117,898.78 : x
  2. Step 2: Convert to fraction form
    7,132,314,022.61/9,843,217,061.29 = 3,961,117,898.78/x
  3. Step 3: Cross multiply
    7,132,314,022.61x = 9,843,217,061.29 × 3,961,117,898.78
  4. Step 4: Simplify right side
    7,132,314,022.61x = 38,990,143,282,993,373,184
  5. Step 5: Solve for x
    x = 38,990,143,282,993,373,184/7,132,314,022.61
  6. Step 6: Final answer
    x = 5,466,689,094.09

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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.