Home / 598,793,881.20-898,190,821.80-392,169,620.40

Finding the Fourth Proportional to 598,793,881.20, 898,190,821.80 and 392,169,620.40

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Solution

The fourth proportional to 598,793,881.20, 898,190,821.80 and 392,169,620.40 is: 588,254,430.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,793,881.20 : 898,190,821.80 = 392,169,620.40 : x
  2. Step 2: Convert to fraction form
    598,793,881.20/898,190,821.80 = 392,169,620.40/x
  3. Step 3: Cross multiply
    598,793,881.20x = 898,190,821.80 × 392,169,620.40
  4. Step 4: Simplify right side
    598,793,881.20x = 352,243,153,632,070,016
  5. Step 5: Solve for x
    x = 352,243,153,632,070,016/598,793,881.20
  6. Step 6: Final answer
    x = 588,254,430.60

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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.