Home / 520,886,754.27-718,805,122.29-294,820,884.23

Finding the Fourth Proportional to 520,886,754.27, 718,805,122.29 and 294,820,884.23

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Solution

The fourth proportional to 520,886,754.27, 718,805,122.29 and 294,820,884.23 is: 406,842,293.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,886,754.27 : 718,805,122.29 = 294,820,884.23 : x
  2. Step 2: Convert to fraction form
    520,886,754.27/718,805,122.29 = 294,820,884.23/x
  3. Step 3: Cross multiply
    520,886,754.27x = 718,805,122.29 × 294,820,884.23
  4. Step 4: Simplify right side
    520,886,754.27x = 211,918,761,742,591,072
  5. Step 5: Solve for x
    x = 211,918,761,742,591,072/520,886,754.27
  6. Step 6: Final answer
    x = 406,842,293.46

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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.