Home / 418,904,067.51-578,087,585.76-242,794,214.84

Finding the Fourth Proportional to 418,904,067.51, 578,087,585.76 and 242,794,214.84

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Solution

The fourth proportional to 418,904,067.51, 578,087,585.76 and 242,794,214.84 is: 335,056,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,904,067.51 : 578,087,585.76 = 242,794,214.84 : x
  2. Step 2: Convert to fraction form
    418,904,067.51/578,087,585.76 = 242,794,214.84/x
  3. Step 3: Cross multiply
    418,904,067.51x = 578,087,585.76 × 242,794,214.84
  4. Step 4: Simplify right side
    418,904,067.51x = 140,356,321,495,366,144
  5. Step 5: Solve for x
    x = 140,356,321,495,366,144/418,904,067.51
  6. Step 6: Final answer
    x = 335,056,000.60

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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.