Home / 1,465,345,747.90-2,198,018,621.85-1,455,142,080.70

Finding the Fourth Proportional to 1,465,345,747.90, 2,198,018,621.85 and 1,455,142,080.70

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Solution

The fourth proportional to 1,465,345,747.90, 2,198,018,621.85 and 1,455,142,080.70 is: 2,182,713,121.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,345,747.90 : 2,198,018,621.85 = 1,455,142,080.70 : x
  2. Step 2: Convert to fraction form
    1,465,345,747.90/2,198,018,621.85 = 1,455,142,080.70/x
  3. Step 3: Cross multiply
    1,465,345,747.90x = 2,198,018,621.85 × 1,455,142,080.70
  4. Step 4: Simplify right side
    1,465,345,747.90x = 3,198,429,390,816,155,648
  5. Step 5: Solve for x
    x = 3,198,429,390,816,155,648/1,465,345,747.90
  6. Step 6: Final answer
    x = 2,182,713,121.05

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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.