Home / 816,854,356.71-1,127,266,206.63-445,578,039.27

Finding the Fourth Proportional to 816,854,356.71, 1,127,266,206.63 and 445,578,039.27

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Solution

The fourth proportional to 816,854,356.71, 1,127,266,206.63 and 445,578,039.27 is: 614,901,618.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,854,356.71 : 1,127,266,206.63 = 445,578,039.27 : x
  2. Step 2: Convert to fraction form
    816,854,356.71/1,127,266,206.63 = 445,578,039.27/x
  3. Step 3: Cross multiply
    816,854,356.71x = 1,127,266,206.63 × 445,578,039.27
  4. Step 4: Simplify right side
    816,854,356.71x = 502,285,066,085,526,080
  5. Step 5: Solve for x
    x = 502,285,066,085,526,080/816,854,356.71
  6. Step 6: Final answer
    x = 614,901,618.58

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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.