Home / 401,913,643.20-602,506,453.08-279,149,926.56

Finding the Fourth Proportional to 401,913,643.20, 602,506,453.08 and 279,149,926.56

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Solution

The fourth proportional to 401,913,643.20, 602,506,453.08 and 279,149,926.56 is: 418,472,064.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,913,643.20 : 602,506,453.08 = 279,149,926.56 : x
  2. Step 2: Convert to fraction form
    401,913,643.20/602,506,453.08 = 279,149,926.56/x
  3. Step 3: Cross multiply
    401,913,643.20x = 602,506,453.08 × 279,149,926.56
  4. Step 4: Simplify right side
    401,913,643.20x = 168,189,632,129,208,096
  5. Step 5: Solve for x
    x = 168,189,632,129,208,096/401,913,643.20
  6. Step 6: Final answer
    x = 418,472,064.77

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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.