Home / 1,272,584,147.88-1,756,138,583.16-736,758,406.56

Finding the Fourth Proportional to 1,272,584,147.88, 1,756,138,583.16 and 736,758,406.56

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Solution

The fourth proportional to 1,272,584,147.88, 1,756,138,583.16 and 736,758,406.56 is: 1,016,710,656.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,584,147.88 : 1,756,138,583.16 = 736,758,406.56 : x
  2. Step 2: Convert to fraction form
    1,272,584,147.88/1,756,138,583.16 = 736,758,406.56/x
  3. Step 3: Cross multiply
    1,272,584,147.88x = 1,756,138,583.16 × 736,758,406.56
  4. Step 4: Simplify right side
    1,272,584,147.88x = 1,293,849,864,227,497,728
  5. Step 5: Solve for x
    x = 1,293,849,864,227,497,728/1,272,584,147.88
  6. Step 6: Final answer
    x = 1,016,710,656.33

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Double scale
Find fourth proportional to 1,272,584,148.88, 1,756,138,584.54 and 736,758,407.56
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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.