Home / 1,115,784,151.08-1,541,905,737.87-836,841,399

Finding the Fourth Proportional to 1,115,784,151.08, 1,541,905,737.87 and 836,841,399

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Solution

The fourth proportional to 1,115,784,151.08, 1,541,905,737.87 and 836,841,399 is: 1,156,433,843.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,784,151.08 : 1,541,905,737.87 = 836,841,399 : x
  2. Step 2: Convert to fraction form
    1,115,784,151.08/1,541,905,737.87 = 836,841,399/x
  3. Step 3: Cross multiply
    1,115,784,151.08x = 1,541,905,737.87 × 836,841,399
  4. Step 4: Simplify right side
    1,115,784,151.08x = 1,290,330,554,805,257,984
  5. Step 5: Solve for x
    x = 1,290,330,554,805,257,984/1,115,784,151.08
  6. Step 6: Final answer
    x = 1,156,433,843.91

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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.