Home / 1,986,732,113.85-2,980,559,278.80-676,645,516.44

Finding the Fourth Proportional to 1,986,732,113.85, 2,980,559,278.80 and 676,645,516.44

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Solution

The fourth proportional to 1,986,732,113.85, 2,980,559,278.80 and 676,645,516.44 is: 1,015,125,319.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,732,113.85 : 2,980,559,278.80 = 676,645,516.44 : x
  2. Step 2: Convert to fraction form
    1,986,732,113.85/2,980,559,278.80 = 676,645,516.44/x
  3. Step 3: Cross multiply
    1,986,732,113.85x = 2,980,559,278.80 × 676,645,516.44
  4. Step 4: Simplify right side
    1,986,732,113.85x = 2,016,782,072,483,660,288
  5. Step 5: Solve for x
    x = 2,016,782,072,483,660,288/1,986,732,113.85
  6. Step 6: Final answer
    x = 1,015,125,319.83

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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.