Home / 982,915,625.52-1,356,415,502.18-536,879,273.22

Finding the Fourth Proportional to 982,915,625.52, 1,356,415,502.18 and 536,879,273.22

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Solution

The fourth proportional to 982,915,625.52, 1,356,415,502.18 and 536,879,273.22 is: 740,888,994.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,915,625.52 : 1,356,415,502.18 = 536,879,273.22 : x
  2. Step 2: Convert to fraction form
    982,915,625.52/1,356,415,502.18 = 536,879,273.22/x
  3. Step 3: Cross multiply
    982,915,625.52x = 1,356,415,502.18 × 536,879,273.22
  4. Step 4: Simplify right side
    982,915,625.52x = 728,231,368,992,055,296
  5. Step 5: Solve for x
    x = 728,231,368,992,055,296/982,915,625.52
  6. Step 6: Final answer
    x = 740,888,994.01

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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.