Home / 439,073,727.81-605,922,727.30-253,434,595.87

Finding the Fourth Proportional to 439,073,727.81, 605,922,727.30 and 253,434,595.87

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Solution

The fourth proportional to 439,073,727.81, 605,922,727.30 and 253,434,595.87 is: 349,740,309.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,073,727.81 : 605,922,727.30 = 253,434,595.87 : x
  2. Step 2: Convert to fraction form
    439,073,727.81/605,922,727.30 = 253,434,595.87/x
  3. Step 3: Cross multiply
    439,073,727.81x = 605,922,727.30 × 253,434,595.87
  4. Step 4: Simplify right side
    439,073,727.81x = 153,561,781,521,847,552
  5. Step 5: Solve for x
    x = 153,561,781,521,847,552/439,073,727.81
  6. Step 6: Final answer
    x = 349,740,309.65

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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.