Home / 755,105,130.88-1,042,097,453.36-457,759,905.56

Finding the Fourth Proportional to 755,105,130.88, 1,042,097,453.36 and 457,759,905.56

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Solution

The fourth proportional to 755,105,130.88, 1,042,097,453.36 and 457,759,905.56 is: 631,740,419.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,105,130.88 : 1,042,097,453.36 = 457,759,905.56 : x
  2. Step 2: Convert to fraction form
    755,105,130.88/1,042,097,453.36 = 457,759,905.56/x
  3. Step 3: Cross multiply
    755,105,130.88x = 1,042,097,453.36 × 457,759,905.56
  4. Step 4: Simplify right side
    755,105,130.88x = 477,030,431,834,390,144
  5. Step 5: Solve for x
    x = 477,030,431,834,390,144/755,105,130.88
  6. Step 6: Final answer
    x = 631,740,419.08

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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.