Home / 776,713,428.28-1,165,062,170.80-448,980,406.60

Finding the Fourth Proportional to 776,713,428.28, 1,165,062,170.80 and 448,980,406.60

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Solution

The fourth proportional to 776,713,428.28, 1,165,062,170.80 and 448,980,406.60 is: 673,466,001.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,713,428.28 : 1,165,062,170.80 = 448,980,406.60 : x
  2. Step 2: Convert to fraction form
    776,713,428.28/1,165,062,170.80 = 448,980,406.60/x
  3. Step 3: Cross multiply
    776,713,428.28x = 1,165,062,170.80 × 448,980,406.60
  4. Step 4: Simplify right side
    776,713,428.28x = 523,090,087,160,062,656
  5. Step 5: Solve for x
    x = 523,090,087,160,062,656/776,713,428.28
  6. Step 6: Final answer
    x = 673,466,001.89

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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.