Home / 326,012,054.85-489,018,082.28-293,763,427.65

Finding the Fourth Proportional to 326,012,054.85, 489,018,082.28 and 293,763,427.65

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Solution

The fourth proportional to 326,012,054.85, 489,018,082.28 and 293,763,427.65 is: 440,645,141.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,012,054.85 : 489,018,082.28 = 293,763,427.65 : x
  2. Step 2: Convert to fraction form
    326,012,054.85/489,018,082.28 = 293,763,427.65/x
  3. Step 3: Cross multiply
    326,012,054.85x = 489,018,082.28 × 293,763,427.65
  4. Step 4: Simplify right side
    326,012,054.85x = 143,655,628,031,933,696
  5. Step 5: Solve for x
    x = 143,655,628,031,933,696/326,012,054.85
  6. Step 6: Final answer
    x = 440,645,141.48

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Double scale
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Similar ratio
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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.