Home / 654,849,426.93-904,016,288.82-404,091,937.15

Finding the Fourth Proportional to 654,849,426.93, 904,016,288.82 and 404,091,937.15

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Solution

The fourth proportional to 654,849,426.93, 904,016,288.82 and 404,091,937.15 is: 557,846,855.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,849,426.93 : 904,016,288.82 = 404,091,937.15 : x
  2. Step 2: Convert to fraction form
    654,849,426.93/904,016,288.82 = 404,091,937.15/x
  3. Step 3: Cross multiply
    654,849,426.93x = 904,016,288.82 × 404,091,937.15
  4. Step 4: Simplify right side
    654,849,426.93x = 365,305,693,363,683,008
  5. Step 5: Solve for x
    x = 365,305,693,363,683,008/654,849,426.93
  6. Step 6: Final answer
    x = 557,846,855.08

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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.