Home / 513,039,600.06-707,975,680.57-278,085,215.98

Finding the Fourth Proportional to 513,039,600.06, 707,975,680.57 and 278,085,215.98

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Solution

The fourth proportional to 513,039,600.06, 707,975,680.57 and 278,085,215.98 is: 383,747,317.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,039,600.06 : 707,975,680.57 = 278,085,215.98 : x
  2. Step 2: Convert to fraction form
    513,039,600.06/707,975,680.57 = 278,085,215.98/x
  3. Step 3: Cross multiply
    513,039,600.06x = 707,975,680.57 × 278,085,215.98
  4. Step 4: Simplify right side
    513,039,600.06x = 196,877,570,039,895,968
  5. Step 5: Solve for x
    x = 196,877,570,039,895,968/513,039,600.06
  6. Step 6: Final answer
    x = 383,747,317.00

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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.