Home / 877,719,039.78-1,316,377,091.05-523,293,609.62

Finding the Fourth Proportional to 877,719,039.78, 1,316,377,091.05 and 523,293,609.62

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Solution

The fourth proportional to 877,719,039.78, 1,316,377,091.05 and 523,293,609.62 is: 784,820,299.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,719,039.78 : 1,316,377,091.05 = 523,293,609.62 : x
  2. Step 2: Convert to fraction form
    877,719,039.78/1,316,377,091.05 = 523,293,609.62/x
  3. Step 3: Cross multiply
    877,719,039.78x = 1,316,377,091.05 × 523,293,609.62
  4. Step 4: Simplify right side
    877,719,039.78x = 688,851,719,598,612,608
  5. Step 5: Solve for x
    x = 688,851,719,598,612,608/877,719,039.78
  6. Step 6: Final answer
    x = 784,820,299.41

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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.