Home / 716,323,007.60-1,074,484,511.40-198,752,447.60

Finding the Fourth Proportional to 716,323,007.60, 1,074,484,511.40 and 198,752,447.60

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Solution

The fourth proportional to 716,323,007.60, 1,074,484,511.40 and 198,752,447.60 is: 298,128,671.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,323,007.60 : 1,074,484,511.40 = 198,752,447.60 : x
  2. Step 2: Convert to fraction form
    716,323,007.60/1,074,484,511.40 = 198,752,447.60/x
  3. Step 3: Cross multiply
    716,323,007.60x = 1,074,484,511.40 × 198,752,447.60
  4. Step 4: Simplify right side
    716,323,007.60x = 213,556,426,549,040,128
  5. Step 5: Solve for x
    x = 213,556,426,549,040,128/716,323,007.60
  6. Step 6: Final answer
    x = 298,128,671.40

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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.