Home / 548,051,567.90-822,077,351.85-257,486,201.15

Finding the Fourth Proportional to 548,051,567.90, 822,077,351.85 and 257,486,201.15

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Solution

The fourth proportional to 548,051,567.90, 822,077,351.85 and 257,486,201.15 is: 386,229,301.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,051,567.90 : 822,077,351.85 = 257,486,201.15 : x
  2. Step 2: Convert to fraction form
    548,051,567.90/822,077,351.85 = 257,486,201.15/x
  3. Step 3: Cross multiply
    548,051,567.90x = 822,077,351.85 × 257,486,201.15
  4. Step 4: Simplify right side
    548,051,567.90x = 211,673,574,379,308,448
  5. Step 5: Solve for x
    x = 211,673,574,379,308,448/548,051,567.90
  6. Step 6: Final answer
    x = 386,229,301.73

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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.