Home / 1,465,346,121.90-2,198,019,182.85-1,455,142,454.70

Finding the Fourth Proportional to 1,465,346,121.90, 2,198,019,182.85 and 1,455,142,454.70

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Solution

The fourth proportional to 1,465,346,121.90, 2,198,019,182.85 and 1,455,142,454.70 is: 2,182,713,682.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,346,121.90 : 2,198,019,182.85 = 1,455,142,454.70 : x
  2. Step 2: Convert to fraction form
    1,465,346,121.90/2,198,019,182.85 = 1,455,142,454.70/x
  3. Step 3: Cross multiply
    1,465,346,121.90x = 2,198,019,182.85 × 1,455,142,454.70
  4. Step 4: Simplify right side
    1,465,346,121.90x = 3,198,431,029,210,037,248
  5. Step 5: Solve for x
    x = 3,198,431,029,210,037,248/1,465,346,121.90
  6. Step 6: Final answer
    x = 2,182,713,682.05

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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.