Home / 971,034,020.10-1,456,551,030.15-858,793,680.90

Finding the Fourth Proportional to 971,034,020.10, 1,456,551,030.15 and 858,793,680.90

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Solution

The fourth proportional to 971,034,020.10, 1,456,551,030.15 and 858,793,680.90 is: 1,288,190,521.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,034,020.10 : 1,456,551,030.15 = 858,793,680.90 : x
  2. Step 2: Convert to fraction form
    971,034,020.10/1,456,551,030.15 = 858,793,680.90/x
  3. Step 3: Cross multiply
    971,034,020.10x = 1,456,551,030.15 × 858,793,680.90
  4. Step 4: Simplify right side
    971,034,020.10x = 1,250,876,820,601,205,504
  5. Step 5: Solve for x
    x = 1,250,876,820,601,205,504/971,034,020.10
  6. Step 6: Final answer
    x = 1,288,190,521.35

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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.