Home / 1,272,583,816.39-1,756,138,127.06-736,758,074.57

Finding the Fourth Proportional to 1,272,583,816.39, 1,756,138,127.06 and 736,758,074.57

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Solution

The fourth proportional to 1,272,583,816.39, 1,756,138,127.06 and 736,758,074.57 is: 1,016,710,198.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,583,816.39 : 1,756,138,127.06 = 736,758,074.57 : x
  2. Step 2: Convert to fraction form
    1,272,583,816.39/1,756,138,127.06 = 736,758,074.57/x
  3. Step 3: Cross multiply
    1,272,583,816.39x = 1,756,138,127.06 × 736,758,074.57
  4. Step 4: Simplify right side
    1,272,583,816.39x = 1,293,848,945,174,326,016
  5. Step 5: Solve for x
    x = 1,293,848,945,174,326,016/1,272,583,816.39
  6. Step 6: Final answer
    x = 1,016,710,198.98

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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.