Home / 28,596,069,765.60-42,894,104,648.40-19,780,101,304.80

Finding the Fourth Proportional to 28,596,069,765.60, 42,894,104,648.40 and 19,780,101,304.80

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Solution

The fourth proportional to 28,596,069,765.60, 42,894,104,648.40 and 19,780,101,304.80 is: 29,670,151,957.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,596,069,765.60 : 42,894,104,648.40 = 19,780,101,304.80 : x
  2. Step 2: Convert to fraction form
    28,596,069,765.60/42,894,104,648.40 = 19,780,101,304.80/x
  3. Step 3: Cross multiply
    28,596,069,765.60x = 42,894,104,648.40 × 19,780,101,304.80
  4. Step 4: Simplify right side
    28,596,069,765.60x = 848,449,735,324,044,623,872
  5. Step 5: Solve for x
    x = 848,449,735,324,044,623,872/28,596,069,765.60
  6. Step 6: Final answer
    x = 29,670,151,957.20

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Double scale
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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.