Home / 347,680,534,872.20-521,520,802,308.30-99,527,348,568.20

Finding the Fourth Proportional to 347,680,534,872.20, 521,520,802,308.30 and 99,527,348,568.20

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Solution

The fourth proportional to 347,680,534,872.20, 521,520,802,308.30 and 99,527,348,568.20 is: 149,291,022,852.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,680,534,872.20 : 521,520,802,308.30 = 99,527,348,568.20 : x
  2. Step 2: Convert to fraction form
    347,680,534,872.20/521,520,802,308.30 = 99,527,348,568.20/x
  3. Step 3: Cross multiply
    347,680,534,872.20x = 521,520,802,308.30 × 99,527,348,568.20
  4. Step 4: Simplify right side
    347,680,534,872.20x = 51,905,582,676,905,490,907,136
  5. Step 5: Solve for x
    x = 51,905,582,676,905,490,907,136/347,680,534,872.20
  6. Step 6: Final answer
    x = 149,291,022,852.30

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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.