Home / 401,663,501.30-602,588,669.27-125,299,815.74

Finding the Fourth Proportional to 401,663,501.30, 602,588,669.27 and 125,299,815.74

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Solution

The fourth proportional to 401,663,501.30, 602,588,669.27 and 125,299,815.74 is: 187,978,865.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,663,501.30 : 602,588,669.27 = 125,299,815.74 : x
  2. Step 2: Convert to fraction form
    401,663,501.30/602,588,669.27 = 125,299,815.74/x
  3. Step 3: Cross multiply
    401,663,501.30x = 602,588,669.27 × 125,299,815.74
  4. Step 4: Simplify right side
    401,663,501.30x = 75,504,249,226,542,800
  5. Step 5: Solve for x
    x = 75,504,249,226,542,800/401,663,501.30
  6. Step 6: Final answer
    x = 187,978,865.35

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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.