Home / 822,073,613.40-1,233,110,420.10-667,105,417.80

Finding the Fourth Proportional to 822,073,613.40, 1,233,110,420.10 and 667,105,417.80

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Solution

The fourth proportional to 822,073,613.40, 1,233,110,420.10 and 667,105,417.80 is: 1,000,658,126.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,073,613.40 : 1,233,110,420.10 = 667,105,417.80 : x
  2. Step 2: Convert to fraction form
    822,073,613.40/1,233,110,420.10 = 667,105,417.80/x
  3. Step 3: Cross multiply
    822,073,613.40x = 1,233,110,420.10 × 667,105,417.80
  4. Step 4: Simplify right side
    822,073,613.40x = 822,614,641,994,343,936
  5. Step 5: Solve for x
    x = 822,614,641,994,343,936/822,073,613.40
  6. Step 6: Final answer
    x = 1,000,658,126.70

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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.