Home / 513,039,602.30-707,975,683.65-278,085,218.24

Finding the Fourth Proportional to 513,039,602.30, 707,975,683.65 and 278,085,218.24

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Solution

The fourth proportional to 513,039,602.30, 707,975,683.65 and 278,085,218.24 is: 383,747,320.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,039,602.30 : 707,975,683.65 = 278,085,218.24 : x
  2. Step 2: Convert to fraction form
    513,039,602.30/707,975,683.65 = 278,085,218.24/x
  3. Step 3: Cross multiply
    513,039,602.30x = 707,975,683.65 × 278,085,218.24
  4. Step 4: Simplify right side
    513,039,602.30x = 196,877,572,496,423,456
  5. Step 5: Solve for x
    x = 196,877,572,496,423,456/513,039,602.30
  6. Step 6: Final answer
    x = 383,747,320.12

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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.