Home / 885,196,996.68-1,221,573,575.61-488,720,753.04

Finding the Fourth Proportional to 885,196,996.68, 1,221,573,575.61 and 488,720,753.04

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Solution

The fourth proportional to 885,196,996.68, 1,221,573,575.61 and 488,720,753.04 is: 674,435,588.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,196,996.68 : 1,221,573,575.61 = 488,720,753.04 : x
  2. Step 2: Convert to fraction form
    885,196,996.68/1,221,573,575.61 = 488,720,753.04/x
  3. Step 3: Cross multiply
    885,196,996.68x = 1,221,573,575.61 × 488,720,753.04
  4. Step 4: Simplify right side
    885,196,996.68x = 597,008,357,765,884,544
  5. Step 5: Solve for x
    x = 597,008,357,765,884,544/885,196,996.68
  6. Step 6: Final answer
    x = 674,435,588.92

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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.