Home / 577,206,011.20-865,809,016.80-168,275,502.40

Finding the Fourth Proportional to 577,206,011.20, 865,809,016.80 and 168,275,502.40

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Solution

The fourth proportional to 577,206,011.20, 865,809,016.80 and 168,275,502.40 is: 252,413,253.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,206,011.20 : 865,809,016.80 = 168,275,502.40 : x
  2. Step 2: Convert to fraction form
    577,206,011.20/865,809,016.80 = 168,275,502.40/x
  3. Step 3: Cross multiply
    577,206,011.20x = 865,809,016.80 × 168,275,502.40
  4. Step 4: Simplify right side
    577,206,011.20x = 145,694,447,284,470,048
  5. Step 5: Solve for x
    x = 145,694,447,284,470,048/577,206,011.20
  6. Step 6: Final answer
    x = 252,413,253.60

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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.