Home / 858,620,704.20-1,287,931,056.30-586,522,912.20

Finding the Fourth Proportional to 858,620,704.20, 1,287,931,056.30 and 586,522,912.20

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Solution

The fourth proportional to 858,620,704.20, 1,287,931,056.30 and 586,522,912.20 is: 879,784,368.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,620,704.20 : 1,287,931,056.30 = 586,522,912.20 : x
  2. Step 2: Convert to fraction form
    858,620,704.20/1,287,931,056.30 = 586,522,912.20/x
  3. Step 3: Cross multiply
    858,620,704.20x = 1,287,931,056.30 × 586,522,912.20
  4. Step 4: Simplify right side
    858,620,704.20x = 755,401,073,853,898,240
  5. Step 5: Solve for x
    x = 755,401,073,853,898,240/858,620,704.20
  6. Step 6: Final answer
    x = 879,784,368.30

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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.