Home / 737,967,969.71-1,107,717,883.28-427,681,823.75

Finding the Fourth Proportional to 737,967,969.71, 1,107,717,883.28 and 427,681,823.75

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Solution

The fourth proportional to 737,967,969.71, 1,107,717,883.28 and 427,681,823.75 is: 641,966,621.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,967,969.71 : 1,107,717,883.28 = 427,681,823.75 : x
  2. Step 2: Convert to fraction form
    737,967,969.71/1,107,717,883.28 = 427,681,823.75/x
  3. Step 3: Cross multiply
    737,967,969.71x = 1,107,717,883.28 × 427,681,823.75
  4. Step 4: Simplify right side
    737,967,969.71x = 473,750,804,519,541,632
  5. Step 5: Solve for x
    x = 473,750,804,519,541,632/737,967,969.71
  6. Step 6: Final answer
    x = 641,966,621.81

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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.