Home / 578,320,488,032.80-867,480,732,049.20-205,956,339,296.80

Finding the Fourth Proportional to 578,320,488,032.80, 867,480,732,049.20 and 205,956,339,296.80

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Solution

The fourth proportional to 578,320,488,032.80, 867,480,732,049.20 and 205,956,339,296.80 is: 308,934,508,945.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,320,488,032.80 : 867,480,732,049.20 = 205,956,339,296.80 : x
  2. Step 2: Convert to fraction form
    578,320,488,032.80/867,480,732,049.20 = 205,956,339,296.80/x
  3. Step 3: Cross multiply
    578,320,488,032.80x = 867,480,732,049.20 × 205,956,339,296.80
  4. Step 4: Simplify right side
    578,320,488,032.80x = 178,663,155,983,361,461,190,656
  5. Step 5: Solve for x
    x = 178,663,155,983,361,461,190,656/578,320,488,032.80
  6. Step 6: Final answer
    x = 308,934,508,945.20

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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.