Home / 465,443,721.60-698,165,582.40-206,383,948.80

Finding the Fourth Proportional to 465,443,721.60, 698,165,582.40 and 206,383,948.80

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Solution

The fourth proportional to 465,443,721.60, 698,165,582.40 and 206,383,948.80 is: 309,575,923.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,443,721.60 : 698,165,582.40 = 206,383,948.80 : x
  2. Step 2: Convert to fraction form
    465,443,721.60/698,165,582.40 = 206,383,948.80/x
  3. Step 3: Cross multiply
    465,443,721.60x = 698,165,582.40 × 206,383,948.80
  4. Step 4: Simplify right side
    465,443,721.60x = 144,090,169,811,963,792
  5. Step 5: Solve for x
    x = 144,090,169,811,963,792/465,443,721.60
  6. Step 6: Final answer
    x = 309,575,923.20

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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.