Home / 19,786,032,408.40-29,679,048,612.60-13,897,240,975.60

Finding the Fourth Proportional to 19,786,032,408.40, 29,679,048,612.60 and 13,897,240,975.60

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Solution

The fourth proportional to 19,786,032,408.40, 29,679,048,612.60 and 13,897,240,975.60 is: 20,845,861,463.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,786,032,408.40 : 29,679,048,612.60 = 13,897,240,975.60 : x
  2. Step 2: Convert to fraction form
    19,786,032,408.40/29,679,048,612.60 = 13,897,240,975.60/x
  3. Step 3: Cross multiply
    19,786,032,408.40x = 29,679,048,612.60 × 13,897,240,975.60
  4. Step 4: Simplify right side
    19,786,032,408.40x = 412,456,890,495,849,070,592
  5. Step 5: Solve for x
    x = 412,456,890,495,849,070,592/19,786,032,408.40
  6. Step 6: Final answer
    x = 20,845,861,463.40

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Double scale
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Similar ratio
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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.