Home / 560,821,720.95-840,480,614.82-436,474,491.57

Finding the Fourth Proportional to 560,821,720.95, 840,480,614.82 and 436,474,491.57

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Solution

The fourth proportional to 560,821,720.95, 840,480,614.82 and 436,474,491.57 is: 654,126,499.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,821,720.95 : 840,480,614.82 = 436,474,491.57 : x
  2. Step 2: Convert to fraction form
    560,821,720.95/840,480,614.82 = 436,474,491.57/x
  3. Step 3: Cross multiply
    560,821,720.95x = 840,480,614.82 × 436,474,491.57
  4. Step 4: Simplify right side
    560,821,720.95x = 366,848,349,028,000,512
  5. Step 5: Solve for x
    x = 366,848,349,028,000,512/560,821,720.95
  6. Step 6: Final answer
    x = 654,126,499.25

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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.