Home / 880,920,632.84-1,215,326,407.38-504,375,980.72

Finding the Fourth Proportional to 880,920,632.84, 1,215,326,407.38 and 504,375,980.72

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Solution

The fourth proportional to 880,920,632.84, 1,215,326,407.38 and 504,375,980.72 is: 695,841,856.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,920,632.84 : 1,215,326,407.38 = 504,375,980.72 : x
  2. Step 2: Convert to fraction form
    880,920,632.84/1,215,326,407.38 = 504,375,980.72/x
  3. Step 3: Cross multiply
    880,920,632.84x = 1,215,326,407.38 × 504,375,980.72
  4. Step 4: Simplify right side
    880,920,632.84x = 612,981,448,617,201,792
  5. Step 5: Solve for x
    x = 612,981,448,617,201,792/880,920,632.84
  6. Step 6: Final answer
    x = 695,841,856.54

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Double scale
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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.