Home / 294,877,972.24-407,012,538.60-171,158,507.92

Finding the Fourth Proportional to 294,877,972.24, 407,012,538.60 and 171,158,507.92

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Solution

The fourth proportional to 294,877,972.24, 407,012,538.60 and 171,158,507.92 is: 236,245,719.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,877,972.24 : 407,012,538.60 = 171,158,507.92 : x
  2. Step 2: Convert to fraction form
    294,877,972.24/407,012,538.60 = 171,158,507.92/x
  3. Step 3: Cross multiply
    294,877,972.24x = 407,012,538.60 × 171,158,507.92
  4. Step 4: Simplify right side
    294,877,972.24x = 69,663,658,811,507,408
  5. Step 5: Solve for x
    x = 69,663,658,811,507,408/294,877,972.24
  6. Step 6: Final answer
    x = 236,245,719.82

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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.