Home / 603,655,211.40-905,482,817.10-172,833,707.40

Finding the Fourth Proportional to 603,655,211.40, 905,482,817.10 and 172,833,707.40

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Solution

The fourth proportional to 603,655,211.40, 905,482,817.10 and 172,833,707.40 is: 259,250,561.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,655,211.40 : 905,482,817.10 = 172,833,707.40 : x
  2. Step 2: Convert to fraction form
    603,655,211.40/905,482,817.10 = 172,833,707.40/x
  3. Step 3: Cross multiply
    603,655,211.40x = 905,482,817.10 × 172,833,707.40
  4. Step 4: Simplify right side
    603,655,211.40x = 156,497,952,266,389,120
  5. Step 5: Solve for x
    x = 156,497,952,266,389,120/603,655,211.40
  6. Step 6: Final answer
    x = 259,250,561.10

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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.