Home / 862,335,055.60-1,293,512,956.08-240,512,424.46

Finding the Fourth Proportional to 862,335,055.60, 1,293,512,956.08 and 240,512,424.46

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Solution

The fourth proportional to 862,335,055.60, 1,293,512,956.08 and 240,512,424.46 is: 360,771,529.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,335,055.60 : 1,293,512,956.08 = 240,512,424.46 : x
  2. Step 2: Convert to fraction form
    862,335,055.60/1,293,512,956.08 = 240,512,424.46/x
  3. Step 3: Cross multiply
    862,335,055.60x = 1,293,512,956.08 × 240,512,424.46
  4. Step 4: Simplify right side
    862,335,055.60x = 311,105,937,137,222,272
  5. Step 5: Solve for x
    x = 311,105,937,137,222,272/862,335,055.60
  6. Step 6: Final answer
    x = 360,771,529.72

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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.