Home / 1,199,856,456.20-1,655,804,340.16-671,229,270.18

Finding the Fourth Proportional to 1,199,856,456.20, 1,655,804,340.16 and 671,229,270.18

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Solution

The fourth proportional to 1,199,856,456.20, 1,655,804,340.16 and 671,229,270.18 is: 926,297,752.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,856,456.20 : 1,655,804,340.16 = 671,229,270.18 : x
  2. Step 2: Convert to fraction form
    1,199,856,456.20/1,655,804,340.16 = 671,229,270.18/x
  3. Step 3: Cross multiply
    1,199,856,456.20x = 1,655,804,340.16 × 671,229,270.18
  4. Step 4: Simplify right side
    1,199,856,456.20x = 1,111,424,338,804,795,136
  5. Step 5: Solve for x
    x = 1,111,424,338,804,795,136/1,199,856,456.20
  6. Step 6: Final answer
    x = 926,297,752.58

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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.