Home / 864,881,213.32-1,297,488,732.18-282,458,881.72

Finding the Fourth Proportional to 864,881,213.32, 1,297,488,732.18 and 282,458,881.72

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Solution

The fourth proportional to 864,881,213.32, 1,297,488,732.18 and 282,458,881.72 is: 423,742,833.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,881,213.32 : 1,297,488,732.18 = 282,458,881.72 : x
  2. Step 2: Convert to fraction form
    864,881,213.32/1,297,488,732.18 = 282,458,881.72/x
  3. Step 3: Cross multiply
    864,881,213.32x = 1,297,488,732.18 × 282,458,881.72
  4. Step 4: Simplify right side
    864,881,213.32x = 366,487,216,335,863,424
  5. Step 5: Solve for x
    x = 366,487,216,335,863,424/864,881,213.32
  6. Step 6: Final answer
    x = 423,742,833.92

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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.