Home / 354,338,517.60-531,507,776.40-163,235,541.60

Finding the Fourth Proportional to 354,338,517.60, 531,507,776.40 and 163,235,541.60

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Solution

The fourth proportional to 354,338,517.60, 531,507,776.40 and 163,235,541.60 is: 244,853,312.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,338,517.60 : 531,507,776.40 = 163,235,541.60 : x
  2. Step 2: Convert to fraction form
    354,338,517.60/531,507,776.40 = 163,235,541.60/x
  3. Step 3: Cross multiply
    354,338,517.60x = 531,507,776.40 × 163,235,541.60
  4. Step 4: Simplify right side
    354,338,517.60x = 86,760,959,745,265,696
  5. Step 5: Solve for x
    x = 86,760,959,745,265,696/354,338,517.60
  6. Step 6: Final answer
    x = 244,853,312.40

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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.