Home / 746,389,677.60-1,120,088,401.20-486,972,986.40

Finding the Fourth Proportional to 746,389,677.60, 1,120,088,401.20 and 486,972,986.40

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Solution

The fourth proportional to 746,389,677.60, 1,120,088,401.20 and 486,972,986.40 is: 730,788,233.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,389,677.60 : 1,120,088,401.20 = 486,972,986.40 : x
  2. Step 2: Convert to fraction form
    746,389,677.60/1,120,088,401.20 = 486,972,986.40/x
  3. Step 3: Cross multiply
    746,389,677.60x = 1,120,088,401.20 × 486,972,986.40
  4. Step 4: Simplify right side
    746,389,677.60x = 545,452,793,764,365,312
  5. Step 5: Solve for x
    x = 545,452,793,764,365,312/746,389,677.60
  6. Step 6: Final answer
    x = 730,788,233.19

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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.