Home / 756,788,453.28-1,135,223,207.28-239,179,508.64

Finding the Fourth Proportional to 756,788,453.28, 1,135,223,207.28 and 239,179,508.64

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Solution

The fourth proportional to 756,788,453.28, 1,135,223,207.28 and 239,179,508.64 is: 358,782,071.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,788,453.28 : 1,135,223,207.28 = 239,179,508.64 : x
  2. Step 2: Convert to fraction form
    756,788,453.28/1,135,223,207.28 = 239,179,508.64/x
  3. Step 3: Cross multiply
    756,788,453.28x = 1,135,223,207.28 × 239,179,508.64
  4. Step 4: Simplify right side
    756,788,453.28x = 271,522,128,913,955,232
  5. Step 5: Solve for x
    x = 271,522,128,913,955,232/756,788,453.28
  6. Step 6: Final answer
    x = 358,782,071.45

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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.