Home / 981,188,843.04-1,354,250,147.76-563,731,308.72

Finding the Fourth Proportional to 981,188,843.04, 1,354,250,147.76 and 563,731,308.72

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Solution

The fourth proportional to 981,188,843.04, 1,354,250,147.76 and 563,731,308.72 is: 778,069,597.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,188,843.04 : 1,354,250,147.76 = 563,731,308.72 : x
  2. Step 2: Convert to fraction form
    981,188,843.04/1,354,250,147.76 = 563,731,308.72/x
  3. Step 3: Cross multiply
    981,188,843.04x = 1,354,250,147.76 × 563,731,308.72
  4. Step 4: Simplify right side
    981,188,843.04x = 763,433,208,130,998,272
  5. Step 5: Solve for x
    x = 763,433,208,130,998,272/981,188,843.04
  6. Step 6: Final answer
    x = 778,069,597.45

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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.