Home / 473,286,010.80-709,929,016.20-218,482,042.80

Finding the Fourth Proportional to 473,286,010.80, 709,929,016.20 and 218,482,042.80

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Solution

The fourth proportional to 473,286,010.80, 709,929,016.20 and 218,482,042.80 is: 327,723,064.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,286,010.80 : 709,929,016.20 = 218,482,042.80 : x
  2. Step 2: Convert to fraction form
    473,286,010.80/709,929,016.20 = 218,482,042.80/x
  3. Step 3: Cross multiply
    473,286,010.80x = 709,929,016.20 × 218,482,042.80
  4. Step 4: Simplify right side
    473,286,010.80x = 155,106,741,702,370,304
  5. Step 5: Solve for x
    x = 155,106,741,702,370,304/473,286,010.80
  6. Step 6: Final answer
    x = 327,723,064.20

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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.