Home / 488,544,049.80-732,816,074.70-343,141,792.20

Finding the Fourth Proportional to 488,544,049.80, 732,816,074.70 and 343,141,792.20

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Solution

The fourth proportional to 488,544,049.80, 732,816,074.70 and 343,141,792.20 is: 514,712,688.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,544,049.80 : 732,816,074.70 = 343,141,792.20 : x
  2. Step 2: Convert to fraction form
    488,544,049.80/732,816,074.70 = 343,141,792.20/x
  3. Step 3: Cross multiply
    488,544,049.80x = 732,816,074.70 × 343,141,792.20
  4. Step 4: Simplify right side
    488,544,049.80x = 251,459,821,225,527,072
  5. Step 5: Solve for x
    x = 251,459,821,225,527,072/488,544,049.80
  6. Step 6: Final answer
    x = 514,712,688.30

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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.