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Finding the Fourth Proportional to 580,492,666.20, 814,985,557.80 and 580,492,666.20

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Solution

The fourth proportional to 580,492,666.20, 814,985,557.80 and 580,492,666.20 is: 814,985,557.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,492,666.20 : 814,985,557.80 = 580,492,666.20 : x
  2. Step 2: Convert to fraction form
    580,492,666.20/814,985,557.80 = 580,492,666.20/x
  3. Step 3: Cross multiply
    580,492,666.20x = 814,985,557.80 × 580,492,666.20
  4. Step 4: Simplify right side
    580,492,666.20x = 473,093,139,361,816,192
  5. Step 5: Solve for x
    x = 473,093,139,361,816,192/580,492,666.20
  6. Step 6: Final answer
    x = 814,985,557.80

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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.