Home / 1,625,378,377.12-2,242,984,011.02-956,366,753.78

Finding the Fourth Proportional to 1,625,378,377.12, 2,242,984,011.02 and 956,366,753.78

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Solution

The fourth proportional to 1,625,378,377.12, 2,242,984,011.02 and 956,366,753.78 is: 1,319,763,673.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625,378,377.12 : 2,242,984,011.02 = 956,366,753.78 : x
  2. Step 2: Convert to fraction form
    1,625,378,377.12/2,242,984,011.02 = 956,366,753.78/x
  3. Step 3: Cross multiply
    1,625,378,377.12x = 2,242,984,011.02 × 956,366,753.78
  4. Step 4: Simplify right side
    1,625,378,377.12x = 2,145,115,337,404,100,864
  5. Step 5: Solve for x
    x = 2,145,115,337,404,100,864/1,625,378,377.12
  6. Step 6: Final answer
    x = 1,319,763,673.25

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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.