Home / 486,167,739.55-729,250,518.25-375,664,105.15

Finding the Fourth Proportional to 486,167,739.55, 729,250,518.25 and 375,664,105.15

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Solution

The fourth proportional to 486,167,739.55, 729,250,518.25 and 375,664,105.15 is: 563,495,314.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,167,739.55 : 729,250,518.25 = 375,664,105.15 : x
  2. Step 2: Convert to fraction form
    486,167,739.55/729,250,518.25 = 375,664,105.15/x
  3. Step 3: Cross multiply
    486,167,739.55x = 729,250,518.25 × 375,664,105.15
  4. Step 4: Simplify right side
    486,167,739.55x = 273,953,243,368,559,968
  5. Step 5: Solve for x
    x = 273,953,243,368,559,968/486,167,739.55
  6. Step 6: Final answer
    x = 563,495,314.65

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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.