Home / 880,920,632.34-1,215,326,406.69-504,375,980.22

Finding the Fourth Proportional to 880,920,632.34, 1,215,326,406.69 and 504,375,980.22

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Solution

The fourth proportional to 880,920,632.34, 1,215,326,406.69 and 504,375,980.22 is: 695,841,855.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,920,632.34 : 1,215,326,406.69 = 504,375,980.22 : x
  2. Step 2: Convert to fraction form
    880,920,632.34/1,215,326,406.69 = 504,375,980.22/x
  3. Step 3: Cross multiply
    880,920,632.34x = 1,215,326,406.69 × 504,375,980.22
  4. Step 4: Simplify right side
    880,920,632.34x = 612,981,447,661,519,232
  5. Step 5: Solve for x
    x = 612,981,447,661,519,232/880,920,632.34
  6. Step 6: Final answer
    x = 695,841,855.85

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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.