Home / 811,044,080.13-1,119,262,838.27-458,672,764.17

Finding the Fourth Proportional to 811,044,080.13, 1,119,262,838.27 and 458,672,764.17

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Solution

The fourth proportional to 811,044,080.13, 1,119,262,838.27 and 458,672,764.17 is: 632,980,860.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,044,080.13 : 1,119,262,838.27 = 458,672,764.17 : x
  2. Step 2: Convert to fraction form
    811,044,080.13/1,119,262,838.27 = 458,672,764.17/x
  3. Step 3: Cross multiply
    811,044,080.13x = 1,119,262,838.27 × 458,672,764.17
  4. Step 4: Simplify right side
    811,044,080.13x = 513,375,379,859,767,232
  5. Step 5: Solve for x
    x = 513,375,379,859,767,232/811,044,080.13
  6. Step 6: Final answer
    x = 632,980,860.64

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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.