Home / 473,327,187.40-709,654,857.90-214,666,323.40

Finding the Fourth Proportional to 473,327,187.40, 709,654,857.90 and 214,666,323.40

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Solution

The fourth proportional to 473,327,187.40, 709,654,857.90 and 214,666,323.40 is: 321,847,135.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,327,187.40 : 709,654,857.90 = 214,666,323.40 : x
  2. Step 2: Convert to fraction form
    473,327,187.40/709,654,857.90 = 214,666,323.40/x
  3. Step 3: Cross multiply
    473,327,187.40x = 709,654,857.90 × 214,666,323.40
  4. Step 4: Simplify right side
    473,327,187.40x = 152,338,999,228,342,432
  5. Step 5: Solve for x
    x = 152,338,999,228,342,432/473,327,187.40
  6. Step 6: Final answer
    x = 321,847,135.10

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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.