Home / 347,680,518,141.45-521,520,777,212.20-99,527,331,837.45

Finding the Fourth Proportional to 347,680,518,141.45, 521,520,777,212.20 and 99,527,331,837.45

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Solution

The fourth proportional to 347,680,518,141.45, 521,520,777,212.20 and 99,527,331,837.45 is: 149,290,997,756.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,680,518,141.45 : 521,520,777,212.20 = 99,527,331,837.45 : x
  2. Step 2: Convert to fraction form
    347,680,518,141.45/521,520,777,212.20 = 99,527,331,837.45/x
  3. Step 3: Cross multiply
    347,680,518,141.45x = 521,520,777,212.20 × 99,527,331,837.45
  4. Step 4: Simplify right side
    347,680,518,141.45x = 51,905,571,453,723,463,385,088
  5. Step 5: Solve for x
    x = 51,905,571,453,723,463,385,088/347,680,518,141.45
  6. Step 6: Final answer
    x = 149,290,997,756.18

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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.