Home / 908,350,599.60-1,363,163,628.60-391,152,218.40

Finding the Fourth Proportional to 908,350,599.60, 1,363,163,628.60 and 391,152,218.40

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Solution

The fourth proportional to 908,350,599.60, 1,363,163,628.60 and 391,152,218.40 is: 587,002,945.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,350,599.60 : 1,363,163,628.60 = 391,152,218.40 : x
  2. Step 2: Convert to fraction form
    908,350,599.60/1,363,163,628.60 = 391,152,218.40/x
  3. Step 3: Cross multiply
    908,350,599.60x = 1,363,163,628.60 × 391,152,218.40
  4. Step 4: Simplify right side
    908,350,599.60x = 533,204,477,369,083,648
  5. Step 5: Solve for x
    x = 533,204,477,369,083,648/908,350,599.60
  6. Step 6: Final answer
    x = 587,002,945.34

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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.