Home / 385,437,304.29-578,087,613.92-175,298,769.30

Finding the Fourth Proportional to 385,437,304.29, 578,087,613.92 and 175,298,769.30

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Solution

The fourth proportional to 385,437,304.29, 578,087,613.92 and 175,298,769.30 is: 262,917,071.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,437,304.29 : 578,087,613.92 = 175,298,769.30 : x
  2. Step 2: Convert to fraction form
    385,437,304.29/578,087,613.92 = 175,298,769.30/x
  3. Step 3: Cross multiply
    385,437,304.29x = 578,087,613.92 × 175,298,769.30
  4. Step 4: Simplify right side
    385,437,304.29x = 101,338,047,266,873,056
  5. Step 5: Solve for x
    x = 101,338,047,266,873,056/385,437,304.29
  6. Step 6: Final answer
    x = 262,917,071.44

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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.