Home / 1,276,996,208.31-1,914,575,002.56-784,692,350.37

Finding the Fourth Proportional to 1,276,996,208.31, 1,914,575,002.56 and 784,692,350.37

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Solution

The fourth proportional to 1,276,996,208.31, 1,914,575,002.56 and 784,692,350.37 is: 1,176,473,625.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,996,208.31 : 1,914,575,002.56 = 784,692,350.37 : x
  2. Step 2: Convert to fraction form
    1,276,996,208.31/1,914,575,002.56 = 784,692,350.37/x
  3. Step 3: Cross multiply
    1,276,996,208.31x = 1,914,575,002.56 × 784,692,350.37
  4. Step 4: Simplify right side
    1,276,996,208.31x = 1,502,352,358,718,455,040
  5. Step 5: Solve for x
    x = 1,502,352,358,718,455,040/1,276,996,208.31
  6. Step 6: Final answer
    x = 1,176,473,625.33

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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.