Home / 1,164,749,079.11-1,607,393,393.90-688,847,400.31

Finding the Fourth Proportional to 1,164,749,079.11, 1,607,393,393.90 and 688,847,400.31

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Solution

The fourth proportional to 1,164,749,079.11, 1,607,393,393.90 and 688,847,400.31 is: 950,632,870.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,164,749,079.11 : 1,607,393,393.90 = 688,847,400.31 : x
  2. Step 2: Convert to fraction form
    1,164,749,079.11/1,607,393,393.90 = 688,847,400.31/x
  3. Step 3: Cross multiply
    1,164,749,079.11x = 1,607,393,393.90 × 688,847,400.31
  4. Step 4: Simplify right side
    1,164,749,079.11x = 1,107,248,760,655,755,904
  5. Step 5: Solve for x
    x = 1,107,248,760,655,755,904/1,164,749,079.11
  6. Step 6: Final answer
    x = 950,632,870.64

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Double scale
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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.