Home / 800,516,392.32-1,199,210,780.19-551,477,659.20

Finding the Fourth Proportional to 800,516,392.32, 1,199,210,780.19 and 551,477,659.20

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Solution

The fourth proportional to 800,516,392.32, 1,199,210,780.19 and 551,477,659.20 is: 826,139,177.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,516,392.32 : 1,199,210,780.19 = 551,477,659.20 : x
  2. Step 2: Convert to fraction form
    800,516,392.32/1,199,210,780.19 = 551,477,659.20/x
  3. Step 3: Cross multiply
    800,516,392.32x = 1,199,210,780.19 × 551,477,659.20
  4. Step 4: Simplify right side
    800,516,392.32x = 661,337,953,944,130,304
  5. Step 5: Solve for x
    x = 661,337,953,944,130,304/800,516,392.32
  6. Step 6: Final answer
    x = 826,139,177.52

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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.