Home / 2,578,272,756.86-3,865,825,325.43-1,002,543,330.75

Finding the Fourth Proportional to 2,578,272,756.86, 3,865,825,325.43 and 1,002,543,330.75

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Solution

The fourth proportional to 2,578,272,756.86, 3,865,825,325.43 and 1,002,543,330.75 is: 1,503,199,142.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578,272,756.86 : 3,865,825,325.43 = 1,002,543,330.75 : x
  2. Step 2: Convert to fraction form
    2,578,272,756.86/3,865,825,325.43 = 1,002,543,330.75/x
  3. Step 3: Cross multiply
    2,578,272,756.86x = 3,865,825,325.43 × 1,002,543,330.75
  4. Step 4: Simplify right side
    2,578,272,756.86x = 3,875,657,397,854,294,528
  5. Step 5: Solve for x
    x = 3,875,657,397,854,294,528/2,578,272,756.86
  6. Step 6: Final answer
    x = 1,503,199,142.74

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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.