Home / 687,750,822.60-949,092,092.61-374,484,286.50

Finding the Fourth Proportional to 687,750,822.60, 949,092,092.61 and 374,484,286.50

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Solution

The fourth proportional to 687,750,822.60, 949,092,092.61 and 374,484,286.50 is: 516,786,114.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,750,822.60 : 949,092,092.61 = 374,484,286.50 : x
  2. Step 2: Convert to fraction form
    687,750,822.60/949,092,092.61 = 374,484,286.50/x
  3. Step 3: Cross multiply
    687,750,822.60x = 949,092,092.61 × 374,484,286.50
  4. Step 4: Simplify right side
    687,750,822.60x = 355,420,075,123,847,808
  5. Step 5: Solve for x
    x = 355,420,075,123,847,808/687,750,822.60
  6. Step 6: Final answer
    x = 516,786,114.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.