Home / 18,358,538,125.87-27,543,427,223.85-9,401,069,614.16

Finding the Fourth Proportional to 18,358,538,125.87, 27,543,427,223.85 and 9,401,069,614.16

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Solution

The fourth proportional to 18,358,538,125.87, 27,543,427,223.85 and 9,401,069,614.16 is: 14,104,482,337.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,358,538,125.87 : 27,543,427,223.85 = 9,401,069,614.16 : x
  2. Step 2: Convert to fraction form
    18,358,538,125.87/27,543,427,223.85 = 9,401,069,614.16/x
  3. Step 3: Cross multiply
    18,358,538,125.87x = 27,543,427,223.85 × 9,401,069,614.16
  4. Step 4: Simplify right side
    18,358,538,125.87x = 258,937,676,744,032,419,840
  5. Step 5: Solve for x
    x = 258,937,676,744,032,419,840/18,358,538,125.87
  6. Step 6: Final answer
    x = 14,104,482,337.79

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1.5x scale

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.