Home / 440,626,719,154.34-661,241,986,870.55-153,784,775,569.70

Finding the Fourth Proportional to 440,626,719,154.34, 661,241,986,870.55 and 153,784,775,569.70

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Solution

The fourth proportional to 440,626,719,154.34, 661,241,986,870.55 and 153,784,775,569.70 is: 230,782,533,440.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,626,719,154.34 : 661,241,986,870.55 = 153,784,775,569.70 : x
  2. Step 2: Convert to fraction form
    440,626,719,154.34/661,241,986,870.55 = 153,784,775,569.70/x
  3. Step 3: Cross multiply
    440,626,719,154.34x = 661,241,986,870.55 × 153,784,775,569.70
  4. Step 4: Simplify right side
    440,626,719,154.34x = 101,688,950,548,150,058,221,568
  5. Step 5: Solve for x
    x = 101,688,950,548,150,058,221,568/440,626,719,154.34
  6. Step 6: Final answer
    x = 230,782,533,440.81

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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.