Home / 992,354,702.10-1,488,532,053.15-664,987,046.10

Finding the Fourth Proportional to 992,354,702.10, 1,488,532,053.15 and 664,987,046.10

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Solution

The fourth proportional to 992,354,702.10, 1,488,532,053.15 and 664,987,046.10 is: 997,480,569.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,354,702.10 : 1,488,532,053.15 = 664,987,046.10 : x
  2. Step 2: Convert to fraction form
    992,354,702.10/1,488,532,053.15 = 664,987,046.10/x
  3. Step 3: Cross multiply
    992,354,702.10x = 1,488,532,053.15 × 664,987,046.10
  4. Step 4: Simplify right side
    992,354,702.10x = 989,854,533,049,386,752
  5. Step 5: Solve for x
    x = 989,854,533,049,386,752/992,354,702.10
  6. Step 6: Final answer
    x = 997,480,569.15

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.