Home / 2,621,897,356.60-3,934,357,689.30-987,295,065.40

Finding the Fourth Proportional to 2,621,897,356.60, 3,934,357,689.30 and 987,295,065.40

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Solution

The fourth proportional to 2,621,897,356.60, 3,934,357,689.30 and 987,295,065.40 is: 1,481,511,822.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621,897,356.60 : 3,934,357,689.30 = 987,295,065.40 : x
  2. Step 2: Convert to fraction form
    2,621,897,356.60/3,934,357,689.30 = 987,295,065.40/x
  3. Step 3: Cross multiply
    2,621,897,356.60x = 3,934,357,689.30 × 987,295,065.40
  4. Step 4: Simplify right side
    2,621,897,356.60x = 3,884,371,932,164,436,480
  5. Step 5: Solve for x
    x = 3,884,371,932,164,436,480/2,621,897,356.60
  6. Step 6: Final answer
    x = 1,481,511,822.87

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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.