Home / 1,465,345,734.40-2,198,018,601.60-1,455,142,067.20

Finding the Fourth Proportional to 1,465,345,734.40, 2,198,018,601.60 and 1,455,142,067.20

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Solution

The fourth proportional to 1,465,345,734.40, 2,198,018,601.60 and 1,455,142,067.20 is: 2,182,713,100.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,345,734.40 : 2,198,018,601.60 = 1,455,142,067.20 : x
  2. Step 2: Convert to fraction form
    1,465,345,734.40/2,198,018,601.60 = 1,455,142,067.20/x
  3. Step 3: Cross multiply
    1,465,345,734.40x = 2,198,018,601.60 × 1,455,142,067.20
  4. Step 4: Simplify right side
    1,465,345,734.40x = 3,198,429,331,676,277,248
  5. Step 5: Solve for x
    x = 3,198,429,331,676,277,248/1,465,345,734.40
  6. Step 6: Final answer
    x = 2,182,713,100.80

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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.