Home / 288,866,879.58-398,602,663.46-161,714,520.55

Finding the Fourth Proportional to 288,866,879.58, 398,602,663.46 and 161,714,520.55

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Solution

The fourth proportional to 288,866,879.58, 398,602,663.46 and 161,714,520.55 is: 223,147,211.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,866,879.58 : 398,602,663.46 = 161,714,520.55 : x
  2. Step 2: Convert to fraction form
    288,866,879.58/398,602,663.46 = 161,714,520.55/x
  3. Step 3: Cross multiply
    288,866,879.58x = 398,602,663.46 × 161,714,520.55
  4. Step 4: Simplify right side
    288,866,879.58x = 64,459,838,613,713,552
  5. Step 5: Solve for x
    x = 64,459,838,613,713,552/288,866,879.58
  6. Step 6: Final answer
    x = 223,147,211.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.