Home / 745,765,839,667.12-1,029,154,923,028-416,165,421,993.10

Finding the Fourth Proportional to 745,765,839,667.12, 1,029,154,923,028 and 416,165,421,993.10

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Solution

The fourth proportional to 745,765,839,667.12, 1,029,154,923,028 and 416,165,421,993.10 is: 574,307,202,149.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,765,839,667.12 : 1,029,154,923,028 = 416,165,421,993.10 : x
  2. Step 2: Convert to fraction form
    745,765,839,667.12/1,029,154,923,028 = 416,165,421,993.10/x
  3. Step 3: Cross multiply
    745,765,839,667.12x = 1,029,154,923,028 × 416,165,421,993.10
  4. Step 4: Simplify right side
    745,765,839,667.12x = 428,298,692,838,223,962,439,680
  5. Step 5: Solve for x
    x = 428,298,692,838,223,962,439,680/745,765,839,667.12
  6. Step 6: Final answer
    x = 574,307,202,149.94

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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.