Home / 1,177,642,866.02-1,625,147,410.98-641,794,657.94

Finding the Fourth Proportional to 1,177,642,866.02, 1,625,147,410.98 and 641,794,657.94

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Solution

The fourth proportional to 1,177,642,866.02, 1,625,147,410.98 and 641,794,657.94 is: 885,676,767.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,642,866.02 : 1,625,147,410.98 = 641,794,657.94 : x
  2. Step 2: Convert to fraction form
    1,177,642,866.02/1,625,147,410.98 = 641,794,657.94/x
  3. Step 3: Cross multiply
    1,177,642,866.02x = 1,625,147,410.98 × 641,794,657.94
  4. Step 4: Simplify right side
    1,177,642,866.02x = 1,043,010,926,732,328,960
  5. Step 5: Solve for x
    x = 1,043,010,926,732,328,960/1,177,642,866.02
  6. Step 6: Final answer
    x = 885,676,767.41

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Double scale
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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.