Home / 880,402,203.20-1,317,468,021.60-766,636,212.80

Finding the Fourth Proportional to 880,402,203.20, 1,317,468,021.60 and 766,636,212.80

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Solution

The fourth proportional to 880,402,203.20, 1,317,468,021.60 and 766,636,212.80 is: 1,147,224,178.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,402,203.20 : 1,317,468,021.60 = 766,636,212.80 : x
  2. Step 2: Convert to fraction form
    880,402,203.20/1,317,468,021.60 = 766,636,212.80/x
  3. Step 3: Cross multiply
    880,402,203.20x = 1,317,468,021.60 × 766,636,212.80
  4. Step 4: Simplify right side
    880,402,203.20x = 1,010,018,694,564,532,480
  5. Step 5: Solve for x
    x = 1,010,018,694,564,532,480/880,402,203.20
  6. Step 6: Final answer
    x = 1,147,224,178.78

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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.