Home / 150,543,646,780.76-225,749,205,135.48-79,781,778,763.92

Finding the Fourth Proportional to 150,543,646,780.76, 225,749,205,135.48 and 79,781,778,763.92

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Solution

The fourth proportional to 150,543,646,780.76, 225,749,205,135.48 and 79,781,778,763.92 is: 119,637,550,473.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,543,646,780.76 : 225,749,205,135.48 = 79,781,778,763.92 : x
  2. Step 2: Convert to fraction form
    150,543,646,780.76/225,749,205,135.48 = 79,781,778,763.92/x
  3. Step 3: Cross multiply
    150,543,646,780.76x = 225,749,205,135.48 × 79,781,778,763.92
  4. Step 4: Simplify right side
    150,543,646,780.76x = 18,010,673,140,249,659,441,152
  5. Step 5: Solve for x
    x = 18,010,673,140,249,659,441,152/150,543,646,780.76
  6. Step 6: Final answer
    x = 119,637,550,473.84

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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.