Home / 877,719,067.05-1,316,377,131.88-523,293,636.86

Finding the Fourth Proportional to 877,719,067.05, 1,316,377,131.88 and 523,293,636.86

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Solution

The fourth proportional to 877,719,067.05, 1,316,377,131.88 and 523,293,636.86 is: 784,820,340.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,719,067.05 : 1,316,377,131.88 = 523,293,636.86 : x
  2. Step 2: Convert to fraction form
    877,719,067.05/1,316,377,131.88 = 523,293,636.86/x
  3. Step 3: Cross multiply
    877,719,067.05x = 1,316,377,131.88 × 523,293,636.86
  4. Step 4: Simplify right side
    877,719,067.05x = 688,851,776,820,821,120
  5. Step 5: Solve for x
    x = 688,851,776,820,821,120/877,719,067.05
  6. Step 6: Final answer
    x = 784,820,340.22

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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.