Home / 1,164,749,081.11-1,607,393,396.66-688,847,402.31

Finding the Fourth Proportional to 1,164,749,081.11, 1,607,393,396.66 and 688,847,402.31

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Solution

The fourth proportional to 1,164,749,081.11, 1,607,393,396.66 and 688,847,402.31 is: 950,632,873.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,164,749,081.11 : 1,607,393,396.66 = 688,847,402.31 : x
  2. Step 2: Convert to fraction form
    1,164,749,081.11/1,607,393,396.66 = 688,847,402.31/x
  3. Step 3: Cross multiply
    1,164,749,081.11x = 1,607,393,396.66 × 688,847,402.31
  4. Step 4: Simplify right side
    1,164,749,081.11x = 1,107,248,765,779,488,384
  5. Step 5: Solve for x
    x = 1,107,248,765,779,488,384/1,164,749,081.11
  6. Step 6: Final answer
    x = 950,632,873.41

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Double scale
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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.