Home / 354,287,356.40-531,431,034.60-297,852,258.80

Finding the Fourth Proportional to 354,287,356.40, 531,431,034.60 and 297,852,258.80

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Solution

The fourth proportional to 354,287,356.40, 531,431,034.60 and 297,852,258.80 is: 446,778,388.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,287,356.40 : 531,431,034.60 = 297,852,258.80 : x
  2. Step 2: Convert to fraction form
    354,287,356.40/531,431,034.60 = 297,852,258.80/x
  3. Step 3: Cross multiply
    354,287,356.40x = 531,431,034.60 × 297,852,258.80
  4. Step 4: Simplify right side
    354,287,356.40x = 158,287,934,052,030,976
  5. Step 5: Solve for x
    x = 158,287,934,052,030,976/354,287,356.40
  6. Step 6: Final answer
    x = 446,778,388.20

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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.