Home / 766,620,732.28-1,057,936,610.54-436,626,576.76

Finding the Fourth Proportional to 766,620,732.28, 1,057,936,610.54 and 436,626,576.76

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Solution

The fourth proportional to 766,620,732.28, 1,057,936,610.54 and 436,626,576.76 is: 602,544,675.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,620,732.28 : 1,057,936,610.54 = 436,626,576.76 : x
  2. Step 2: Convert to fraction form
    766,620,732.28/1,057,936,610.54 = 436,626,576.76/x
  3. Step 3: Cross multiply
    766,620,732.28x = 1,057,936,610.54 × 436,626,576.76
  4. Step 4: Simplify right side
    766,620,732.28x = 461,923,240,689,157,504
  5. Step 5: Solve for x
    x = 461,923,240,689,157,504/766,620,732.28
  6. Step 6: Final answer
    x = 602,544,675.93

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Double scale
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1.5x scale

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.