Home / 513,039,707.64-707,975,828.58-278,085,323.44

Finding the Fourth Proportional to 513,039,707.64, 707,975,828.58 and 278,085,323.44

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Solution

The fourth proportional to 513,039,707.64, 707,975,828.58 and 278,085,323.44 is: 383,747,465.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,039,707.64 : 707,975,828.58 = 278,085,323.44 : x
  2. Step 2: Convert to fraction form
    513,039,707.64/707,975,828.58 = 278,085,323.44/x
  3. Step 3: Cross multiply
    513,039,707.64x = 707,975,828.58 × 278,085,323.44
  4. Step 4: Simplify right side
    513,039,707.64x = 196,877,687,278,371,296
  5. Step 5: Solve for x
    x = 196,877,687,278,371,296/513,039,707.64
  6. Step 6: Final answer
    x = 383,747,465.05

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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.