Home / 755,105,130.87-1,042,097,453.34-457,759,905.57

Finding the Fourth Proportional to 755,105,130.87, 1,042,097,453.34 and 457,759,905.57

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Solution

The fourth proportional to 755,105,130.87, 1,042,097,453.34 and 457,759,905.57 is: 631,740,419.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,105,130.87 : 1,042,097,453.34 = 457,759,905.57 : x
  2. Step 2: Convert to fraction form
    755,105,130.87/1,042,097,453.34 = 457,759,905.57/x
  3. Step 3: Cross multiply
    755,105,130.87x = 1,042,097,453.34 × 457,759,905.57
  4. Step 4: Simplify right side
    755,105,130.87x = 477,030,431,835,655,872
  5. Step 5: Solve for x
    x = 477,030,431,835,655,872/755,105,130.87
  6. Step 6: Final answer
    x = 631,740,419.09

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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.