Home / 347,680,535,999.20-521,520,803,998.80-99,527,349,695.20

Finding the Fourth Proportional to 347,680,535,999.20, 521,520,803,998.80 and 99,527,349,695.20

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Solution

The fourth proportional to 347,680,535,999.20, 521,520,803,998.80 and 99,527,349,695.20 is: 149,291,024,542.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,680,535,999.20 : 521,520,803,998.80 = 99,527,349,695.20 : x
  2. Step 2: Convert to fraction form
    347,680,535,999.20/521,520,803,998.80 = 99,527,349,695.20/x
  3. Step 3: Cross multiply
    347,680,535,999.20x = 521,520,803,998.80 × 99,527,349,695.20
  4. Step 4: Simplify right side
    347,680,535,999.20x = 51,905,583,432,910,424,244,224
  5. Step 5: Solve for x
    x = 51,905,583,432,910,424,244,224/347,680,535,999.20
  6. Step 6: Final answer
    x = 149,291,024,542.80

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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.