Home / 865,892,284.75-1,194,940,758.15-508,675,117.41

Finding the Fourth Proportional to 865,892,284.75, 1,194,940,758.15 and 508,675,117.41

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Solution

The fourth proportional to 865,892,284.75, 1,194,940,758.15 and 508,675,117.41 is: 701,977,187.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,892,284.75 : 1,194,940,758.15 = 508,675,117.41 : x
  2. Step 2: Convert to fraction form
    865,892,284.75/1,194,940,758.15 = 508,675,117.41/x
  3. Step 3: Cross multiply
    865,892,284.75x = 1,194,940,758.15 × 508,675,117.41
  4. Step 4: Simplify right side
    865,892,284.75x = 607,836,630,449,945,728
  5. Step 5: Solve for x
    x = 607,836,630,449,945,728/865,892,284.75
  6. Step 6: Final answer
    x = 701,977,187.18

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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.