Home / 985,728,630.54-1,360,251,618.58-539,605,690.82

Finding the Fourth Proportional to 985,728,630.54, 1,360,251,618.58 and 539,605,690.82

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Solution

The fourth proportional to 985,728,630.54, 1,360,251,618.58 and 539,605,690.82 is: 744,626,352.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,728,630.54 : 1,360,251,618.58 = 539,605,690.82 : x
  2. Step 2: Convert to fraction form
    985,728,630.54/1,360,251,618.58 = 539,605,690.82/x
  3. Step 3: Cross multiply
    985,728,630.54x = 1,360,251,618.58 × 539,605,690.82
  4. Step 4: Simplify right side
    985,728,630.54x = 733,999,514,332,884,096
  5. Step 5: Solve for x
    x = 733,999,514,332,884,096/985,728,630.54
  6. Step 6: Final answer
    x = 744,626,352.11

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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.