Home / 440,282,912.10-660,424,368.15-295,164,089.70

Finding the Fourth Proportional to 440,282,912.10, 660,424,368.15 and 295,164,089.70

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Solution

The fourth proportional to 440,282,912.10, 660,424,368.15 and 295,164,089.70 is: 442,746,134.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,282,912.10 : 660,424,368.15 = 295,164,089.70 : x
  2. Step 2: Convert to fraction form
    440,282,912.10/660,424,368.15 = 295,164,089.70/x
  3. Step 3: Cross multiply
    440,282,912.10x = 660,424,368.15 × 295,164,089.70
  4. Step 4: Simplify right side
    440,282,912.10x = 194,933,557,440,692,416
  5. Step 5: Solve for x
    x = 194,933,557,440,692,416/440,282,912.10
  6. Step 6: Final answer
    x = 442,746,134.55

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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.