Home / 440,626,719,152.85-661,241,986,868.30-153,784,775,568.20

Finding the Fourth Proportional to 440,626,719,152.85, 661,241,986,868.30 and 153,784,775,568.20

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Solution

The fourth proportional to 440,626,719,152.85, 661,241,986,868.30 and 153,784,775,568.20 is: 230,782,533,438.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,626,719,152.85 : 661,241,986,868.30 = 153,784,775,568.20 : x
  2. Step 2: Convert to fraction form
    440,626,719,152.85/661,241,986,868.30 = 153,784,775,568.20/x
  3. Step 3: Cross multiply
    440,626,719,152.85x = 661,241,986,868.30 × 153,784,775,568.20
  4. Step 4: Simplify right side
    440,626,719,152.85x = 101,688,950,546,812,175,908,864
  5. Step 5: Solve for x
    x = 101,688,950,546,812,175,908,864/440,626,719,152.85
  6. Step 6: Final answer
    x = 230,782,533,438.55

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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.