Home / 83,537,963,427.20-125,306,945,140.80-28,392,810,915.20

Finding the Fourth Proportional to 83,537,963,427.20, 125,306,945,140.80 and 28,392,810,915.20

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Solution

The fourth proportional to 83,537,963,427.20, 125,306,945,140.80 and 28,392,810,915.20 is: 42,589,216,372.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,537,963,427.20 : 125,306,945,140.80 = 28,392,810,915.20 : x
  2. Step 2: Convert to fraction form
    83,537,963,427.20/125,306,945,140.80 = 28,392,810,915.20/x
  3. Step 3: Cross multiply
    83,537,963,427.20x = 125,306,945,140.80 × 28,392,810,915.20
  4. Step 4: Simplify right side
    83,537,963,427.20x = 3,557,816,399,744,074,252,288
  5. Step 5: Solve for x
    x = 3,557,816,399,744,074,252,288/83,537,963,427.20
  6. Step 6: Final answer
    x = 42,589,216,372.80

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1.5x scale

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.