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Finding the Fourth Proportional to 580,492,752.70, 814,985,678.90 and 580,492,752.70

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Solution

The fourth proportional to 580,492,752.70, 814,985,678.90 and 580,492,752.70 is: 814,985,678.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,492,752.70 : 814,985,678.90 = 580,492,752.70 : x
  2. Step 2: Convert to fraction form
    580,492,752.70/814,985,678.90 = 580,492,752.70/x
  3. Step 3: Cross multiply
    580,492,752.70x = 814,985,678.90 × 580,492,752.70
  4. Step 4: Simplify right side
    580,492,752.70x = 473,093,280,155,739,328
  5. Step 5: Solve for x
    x = 473,093,280,155,739,328/580,492,752.70
  6. Step 6: Final answer
    x = 814,985,678.90

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.