Home / 19,122,035,612.40-28,683,053,418.60-15,127,299,903.60

Finding the Fourth Proportional to 19,122,035,612.40, 28,683,053,418.60 and 15,127,299,903.60

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Solution

The fourth proportional to 19,122,035,612.40, 28,683,053,418.60 and 15,127,299,903.60 is: 22,690,949,855.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,122,035,612.40 : 28,683,053,418.60 = 15,127,299,903.60 : x
  2. Step 2: Convert to fraction form
    19,122,035,612.40/28,683,053,418.60 = 15,127,299,903.60/x
  3. Step 3: Cross multiply
    19,122,035,612.40x = 28,683,053,418.60 × 15,127,299,903.60
  4. Step 4: Simplify right side
    19,122,035,612.40x = 433,897,151,214,141,440,000
  5. Step 5: Solve for x
    x = 433,897,151,214,141,440,000/19,122,035,612.40
  6. Step 6: Final answer
    x = 22,690,949,855.40

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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.