Home / 746,986,019.40-1,120,479,029.10-488,997,001.80

Finding the Fourth Proportional to 746,986,019.40, 1,120,479,029.10 and 488,997,001.80

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Solution

The fourth proportional to 746,986,019.40, 1,120,479,029.10 and 488,997,001.80 is: 733,495,502.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,986,019.40 : 1,120,479,029.10 = 488,997,001.80 : x
  2. Step 2: Convert to fraction form
    746,986,019.40/1,120,479,029.10 = 488,997,001.80/x
  3. Step 3: Cross multiply
    746,986,019.40x = 1,120,479,029.10 × 488,997,001.80
  4. Step 4: Simplify right side
    746,986,019.40x = 547,910,885,809,674,944
  5. Step 5: Solve for x
    x = 547,910,885,809,674,944/746,986,019.40
  6. Step 6: Final answer
    x = 733,495,502.70

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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.