Home / 623,808,678.40-935,801,491.20-192,942,246.40

Finding the Fourth Proportional to 623,808,678.40, 935,801,491.20 and 192,942,246.40

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Solution

The fourth proportional to 623,808,678.40, 935,801,491.20 and 192,942,246.40 is: 289,440,734.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,808,678.40 : 935,801,491.20 = 192,942,246.40 : x
  2. Step 2: Convert to fraction form
    623,808,678.40/935,801,491.20 = 192,942,246.40/x
  3. Step 3: Cross multiply
    623,808,678.40x = 935,801,491.20 × 192,942,246.40
  4. Step 4: Simplify right side
    623,808,678.40x = 180,555,641,896,597,856
  5. Step 5: Solve for x
    x = 180,555,641,896,597,856/623,808,678.40
  6. Step 6: Final answer
    x = 289,440,734.23

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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.