Home / 852,001,749.20-1,276,994,854.20-442,847,291.60

Finding the Fourth Proportional to 852,001,749.20, 1,276,994,854.20 and 442,847,291.60

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Solution

The fourth proportional to 852,001,749.20, 1,276,994,854.20 and 442,847,291.60 is: 663,747,126.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,001,749.20 : 1,276,994,854.20 = 442,847,291.60 : x
  2. Step 2: Convert to fraction form
    852,001,749.20/1,276,994,854.20 = 442,847,291.60/x
  3. Step 3: Cross multiply
    852,001,749.20x = 1,276,994,854.20 × 442,847,291.60
  4. Step 4: Simplify right side
    852,001,749.20x = 565,513,712,569,606,912
  5. Step 5: Solve for x
    x = 565,513,712,569,606,912/852,001,749.20
  6. Step 6: Final answer
    x = 663,747,126.22

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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.