Home / 917,414,819,505.33-1,376,177,389,679.70-280,712,733,164.07

Finding the Fourth Proportional to 917,414,819,505.33, 1,376,177,389,679.70 and 280,712,733,164.07

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Solution

The fourth proportional to 917,414,819,505.33, 1,376,177,389,679.70 and 280,712,733,164.07 is: 421,085,977,861.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,414,819,505.33 : 1,376,177,389,679.70 = 280,712,733,164.07 : x
  2. Step 2: Convert to fraction form
    917,414,819,505.33/1,376,177,389,679.70 = 280,712,733,164.07/x
  3. Step 3: Cross multiply
    917,414,819,505.33x = 1,376,177,389,679.70 × 280,712,733,164.07
  4. Step 4: Simplify right side
    917,414,819,505.33x = 386,310,516,375,584,010,928,128
  5. Step 5: Solve for x
    x = 386,310,516,375,584,010,928,128/917,414,819,505.33
  6. Step 6: Final answer
    x = 421,085,977,861.01

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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.