Home / 864,881,232.32-1,297,488,760.72-282,458,900.80

Finding the Fourth Proportional to 864,881,232.32, 1,297,488,760.72 and 282,458,900.80

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Solution

The fourth proportional to 864,881,232.32, 1,297,488,760.72 and 282,458,900.80 is: 423,742,862.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,881,232.32 : 1,297,488,760.72 = 282,458,900.80 : x
  2. Step 2: Convert to fraction form
    864,881,232.32/1,297,488,760.72 = 282,458,900.80/x
  3. Step 3: Cross multiply
    864,881,232.32x = 1,297,488,760.72 × 282,458,900.80
  4. Step 4: Simplify right side
    864,881,232.32x = 366,487,249,153,325,440
  5. Step 5: Solve for x
    x = 366,487,249,153,325,440/864,881,232.32
  6. Step 6: Final answer
    x = 423,742,862.55

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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.