Home / 807,989,013.34-1,115,025,316.75-450,756,791.60

Finding the Fourth Proportional to 807,989,013.34, 1,115,025,316.75 and 450,756,791.60

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Solution

The fourth proportional to 807,989,013.34, 1,115,025,316.75 and 450,756,791.60 is: 622,044,639.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,989,013.34 : 1,115,025,316.75 = 450,756,791.60 : x
  2. Step 2: Convert to fraction form
    807,989,013.34/1,115,025,316.75 = 450,756,791.60/x
  3. Step 3: Cross multiply
    807,989,013.34x = 1,115,025,316.75 × 450,756,791.60
  4. Step 4: Simplify right side
    807,989,013.34x = 502,605,234,326,014,656
  5. Step 5: Solve for x
    x = 502,605,234,326,014,656/807,989,013.34
  6. Step 6: Final answer
    x = 622,044,639.26

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1.5x scale

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.