Home / 326,730,003.40-490,095,005.10-324,816,815.80

Finding the Fourth Proportional to 326,730,003.40, 490,095,005.10 and 324,816,815.80

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Solution

The fourth proportional to 326,730,003.40, 490,095,005.10 and 324,816,815.80 is: 487,225,223.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,730,003.40 : 490,095,005.10 = 324,816,815.80 : x
  2. Step 2: Convert to fraction form
    326,730,003.40/490,095,005.10 = 324,816,815.80/x
  3. Step 3: Cross multiply
    326,730,003.40x = 490,095,005.10 × 324,816,815.80
  4. Step 4: Simplify right side
    326,730,003.40x = 159,191,098,996,066,784
  5. Step 5: Solve for x
    x = 159,191,098,996,066,784/326,730,003.40
  6. Step 6: Final answer
    x = 487,225,223.70

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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.