Home / 1,423,959,544.98-2,136,553,131.82-768,780,479.76

Finding the Fourth Proportional to 1,423,959,544.98, 2,136,553,131.82 and 768,780,479.76

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Solution

The fourth proportional to 1,423,959,544.98, 2,136,553,131.82 and 768,780,479.76 is: 1,153,502,111.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,959,544.98 : 2,136,553,131.82 = 768,780,479.76 : x
  2. Step 2: Convert to fraction form
    1,423,959,544.98/2,136,553,131.82 = 768,780,479.76/x
  3. Step 3: Cross multiply
    1,423,959,544.98x = 2,136,553,131.82 × 768,780,479.76
  4. Step 4: Simplify right side
    1,423,959,544.98x = 1,642,540,341,713,309,952
  5. Step 5: Solve for x
    x = 1,642,540,341,713,309,952/1,423,959,544.98
  6. Step 6: Final answer
    x = 1,153,502,111.42

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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.