Home / 388,904,022.51-583,547,556.86-181,612,306.28

Finding the Fourth Proportional to 388,904,022.51, 583,547,556.86 and 181,612,306.28

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Solution

The fourth proportional to 388,904,022.51, 583,547,556.86 and 181,612,306.28 is: 272,507,897.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,904,022.51 : 583,547,556.86 = 181,612,306.28 : x
  2. Step 2: Convert to fraction form
    388,904,022.51/583,547,556.86 = 181,612,306.28/x
  3. Step 3: Cross multiply
    388,904,022.51x = 583,547,556.86 × 181,612,306.28
  4. Step 4: Simplify right side
    388,904,022.51x = 105,979,417,625,954,848
  5. Step 5: Solve for x
    x = 105,979,417,625,954,848/388,904,022.51
  6. Step 6: Final answer
    x = 272,507,897.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.