Home / 1,114,083,391.80-1,537,469,688.36-612,283,070.73

Finding the Fourth Proportional to 1,114,083,391.80, 1,537,469,688.36 and 612,283,070.73

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Solution

The fourth proportional to 1,114,083,391.80, 1,537,469,688.36 and 612,283,070.73 is: 844,969,657.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,083,391.80 : 1,537,469,688.36 = 612,283,070.73 : x
  2. Step 2: Convert to fraction form
    1,114,083,391.80/1,537,469,688.36 = 612,283,070.73/x
  3. Step 3: Cross multiply
    1,114,083,391.80x = 1,537,469,688.36 × 612,283,070.73
  4. Step 4: Simplify right side
    1,114,083,391.80x = 941,366,661,943,356,928
  5. Step 5: Solve for x
    x = 941,366,661,943,356,928/1,114,083,391.80
  6. Step 6: Final answer
    x = 844,969,657.45

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Double scale
Find fourth proportional to 1,114,083,392.80, 1,537,469,689.74 and 612,283,071.73
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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.