Home / 1,105,002,308.80-1,657,503,463.20-756,323,868.70

Finding the Fourth Proportional to 1,105,002,308.80, 1,657,503,463.20 and 756,323,868.70

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Solution

The fourth proportional to 1,105,002,308.80, 1,657,503,463.20 and 756,323,868.70 is: 1,134,485,803.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,002,308.80 : 1,657,503,463.20 = 756,323,868.70 : x
  2. Step 2: Convert to fraction form
    1,105,002,308.80/1,657,503,463.20 = 756,323,868.70/x
  3. Step 3: Cross multiply
    1,105,002,308.80x = 1,657,503,463.20 × 756,323,868.70
  4. Step 4: Simplify right side
    1,105,002,308.80x = 1,253,609,431,671,072,256
  5. Step 5: Solve for x
    x = 1,253,609,431,671,072,256/1,105,002,308.80
  6. Step 6: Final answer
    x = 1,134,485,803.05

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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.