Home / 782,877,200.40-1,174,315,800.60-524,888,182.80

Finding the Fourth Proportional to 782,877,200.40, 1,174,315,800.60 and 524,888,182.80

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Solution

The fourth proportional to 782,877,200.40, 1,174,315,800.60 and 524,888,182.80 is: 787,332,274.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,877,200.40 : 1,174,315,800.60 = 524,888,182.80 : x
  2. Step 2: Convert to fraction form
    782,877,200.40/1,174,315,800.60 = 524,888,182.80/x
  3. Step 3: Cross multiply
    782,877,200.40x = 1,174,315,800.60 × 524,888,182.80
  4. Step 4: Simplify right side
    782,877,200.40x = 616,384,486,610,261,120
  5. Step 5: Solve for x
    x = 616,384,486,610,261,120/782,877,200.40
  6. Step 6: Final answer
    x = 787,332,274.20

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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.