Home / 801,686,478.24-1,105,934,200.62-695,691,124.38

Finding the Fourth Proportional to 801,686,478.24, 1,105,934,200.62 and 695,691,124.38

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Solution

The fourth proportional to 801,686,478.24, 1,105,934,200.62 and 695,691,124.38 is: 959,712,591.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,686,478.24 : 1,105,934,200.62 = 695,691,124.38 : x
  2. Step 2: Convert to fraction form
    801,686,478.24/1,105,934,200.62 = 695,691,124.38/x
  3. Step 3: Cross multiply
    801,686,478.24x = 1,105,934,200.62 × 695,691,124.38
  4. Step 4: Simplify right side
    801,686,478.24x = 769,388,607,519,624,192
  5. Step 5: Solve for x
    x = 769,388,607,519,624,192/801,686,478.24
  6. Step 6: Final answer
    x = 959,712,591.40

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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.