Home / 860,580,887.90-1,187,566,546.22-508,270,934.30

Finding the Fourth Proportional to 860,580,887.90, 1,187,566,546.22 and 508,270,934.30

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Solution

The fourth proportional to 860,580,887.90, 1,187,566,546.22 and 508,270,934.30 is: 701,393,171.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,580,887.90 : 1,187,566,546.22 = 508,270,934.30 : x
  2. Step 2: Convert to fraction form
    860,580,887.90/1,187,566,546.22 = 508,270,934.30/x
  3. Step 3: Cross multiply
    860,580,887.90x = 1,187,566,546.22 × 508,270,934.30
  4. Step 4: Simplify right side
    860,580,887.90x = 603,605,557,988,122,112
  5. Step 5: Solve for x
    x = 603,605,557,988,122,112/860,580,887.90
  6. Step 6: Final answer
    x = 701,393,171.14

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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.