Home / 701,221,045.95-967,599,979.16-403,959,522.60

Finding the Fourth Proportional to 701,221,045.95, 967,599,979.16 and 403,959,522.60

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Solution

The fourth proportional to 701,221,045.95, 967,599,979.16 and 403,959,522.60 is: 557,415,137.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,221,045.95 : 967,599,979.16 = 403,959,522.60 : x
  2. Step 2: Convert to fraction form
    701,221,045.95/967,599,979.16 = 403,959,522.60/x
  3. Step 3: Cross multiply
    701,221,045.95x = 967,599,979.16 × 403,959,522.60
  4. Step 4: Simplify right side
    701,221,045.95x = 390,871,225,647,223,744
  5. Step 5: Solve for x
    x = 390,871,225,647,223,744/701,221,045.95
  6. Step 6: Final answer
    x = 557,415,137.36

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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.