Home / 603,655,220.40-905,482,830.60-172,833,716.40

Finding the Fourth Proportional to 603,655,220.40, 905,482,830.60 and 172,833,716.40

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Solution

The fourth proportional to 603,655,220.40, 905,482,830.60 and 172,833,716.40 is: 259,250,574.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,655,220.40 : 905,482,830.60 = 172,833,716.40 : x
  2. Step 2: Convert to fraction form
    603,655,220.40/905,482,830.60 = 172,833,716.40/x
  3. Step 3: Cross multiply
    603,655,220.40x = 905,482,830.60 × 172,833,716.40
  4. Step 4: Simplify right side
    603,655,220.40x = 156,497,962,748,989,664
  5. Step 5: Solve for x
    x = 156,497,962,748,989,664/603,655,220.40
  6. Step 6: Final answer
    x = 259,250,574.60

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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.