Home / 896,591,589.54-1,237,327,160.67-520,219,756.50

Finding the Fourth Proportional to 896,591,589.54, 1,237,327,160.67 and 520,219,756.50

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Solution

The fourth proportional to 896,591,589.54, 1,237,327,160.67 and 520,219,756.50 is: 717,921,115.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,591,589.54 : 1,237,327,160.67 = 520,219,756.50 : x
  2. Step 2: Convert to fraction form
    896,591,589.54/1,237,327,160.67 = 520,219,756.50/x
  3. Step 3: Cross multiply
    896,591,589.54x = 1,237,327,160.67 × 520,219,756.50
  4. Step 4: Simplify right side
    896,591,589.54x = 643,682,034,234,583,808
  5. Step 5: Solve for x
    x = 643,682,034,234,583,808/896,591,589.54
  6. Step 6: Final answer
    x = 717,921,115.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.