Home / 540,054,099.40-810,081,149.10-531,444,755.20

Finding the Fourth Proportional to 540,054,099.40, 810,081,149.10 and 531,444,755.20

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Solution

The fourth proportional to 540,054,099.40, 810,081,149.10 and 531,444,755.20 is: 797,167,132.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,054,099.40 : 810,081,149.10 = 531,444,755.20 : x
  2. Step 2: Convert to fraction form
    540,054,099.40/810,081,149.10 = 531,444,755.20/x
  3. Step 3: Cross multiply
    540,054,099.40x = 810,081,149.10 × 531,444,755.20
  4. Step 4: Simplify right side
    540,054,099.40x = 430,513,377,975,584,192
  5. Step 5: Solve for x
    x = 430,513,377,975,584,192/540,054,099.40
  6. Step 6: Final answer
    x = 797,167,132.80

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1.5x scale

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.