Home / 347,680,518,132.70-521,520,777,199.05-99,527,331,828.70

Finding the Fourth Proportional to 347,680,518,132.70, 521,520,777,199.05 and 99,527,331,828.70

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Solution

The fourth proportional to 347,680,518,132.70, 521,520,777,199.05 and 99,527,331,828.70 is: 149,290,997,743.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,680,518,132.70 : 521,520,777,199.05 = 99,527,331,828.70 : x
  2. Step 2: Convert to fraction form
    347,680,518,132.70/521,520,777,199.05 = 99,527,331,828.70/x
  3. Step 3: Cross multiply
    347,680,518,132.70x = 521,520,777,199.05 × 99,527,331,828.70
  4. Step 4: Simplify right side
    347,680,518,132.70x = 51,905,571,447,851,370,676,224
  5. Step 5: Solve for x
    x = 51,905,571,447,851,370,676,224/347,680,518,132.70
  6. Step 6: Final answer
    x = 149,290,997,743.05

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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.