Home / 284,748,909.88-426,893,510.84-261,764,737.11

Finding the Fourth Proportional to 284,748,909.88, 426,893,510.84 and 261,764,737.11

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Solution

The fourth proportional to 284,748,909.88, 426,893,510.84 and 261,764,737.11 is: 392,435,804.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,748,909.88 : 426,893,510.84 = 261,764,737.11 : x
  2. Step 2: Convert to fraction form
    284,748,909.88/426,893,510.84 = 261,764,737.11/x
  3. Step 3: Cross multiply
    284,748,909.88x = 426,893,510.84 × 261,764,737.11
  4. Step 4: Simplify right side
    284,748,909.88x = 111,745,667,641,252,800
  5. Step 5: Solve for x
    x = 111,745,667,641,252,800/284,748,909.88
  6. Step 6: Final answer
    x = 392,435,804.89

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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.