Home / 294,857,139.40-442,285,709.10-197,859,315.40

Finding the Fourth Proportional to 294,857,139.40, 442,285,709.10 and 197,859,315.40

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Solution

The fourth proportional to 294,857,139.40, 442,285,709.10 and 197,859,315.40 is: 296,788,973.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,857,139.40 : 442,285,709.10 = 197,859,315.40 : x
  2. Step 2: Convert to fraction form
    294,857,139.40/442,285,709.10 = 197,859,315.40/x
  3. Step 3: Cross multiply
    294,857,139.40x = 442,285,709.10 × 197,859,315.40
  4. Step 4: Simplify right side
    294,857,139.40x = 87,510,347,613,729,552
  5. Step 5: Solve for x
    x = 87,510,347,613,729,552/294,857,139.40
  6. Step 6: Final answer
    x = 296,788,973.10

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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.