Home / 823,443,647.59-1,136,371,978.56-447,116,096.89

Finding the Fourth Proportional to 823,443,647.59, 1,136,371,978.56 and 447,116,096.89

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Solution

The fourth proportional to 823,443,647.59, 1,136,371,978.56 and 447,116,096.89 is: 617,030,934.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,443,647.59 : 1,136,371,978.56 = 447,116,096.89 : x
  2. Step 2: Convert to fraction form
    823,443,647.59/1,136,371,978.56 = 447,116,096.89/x
  3. Step 3: Cross multiply
    823,443,647.59x = 1,136,371,978.56 × 447,116,096.89
  4. Step 4: Simplify right side
    823,443,647.59x = 508,090,203,668,913,920
  5. Step 5: Solve for x
    x = 508,090,203,668,913,920/823,443,647.59
  6. Step 6: Final answer
    x = 617,030,934.85

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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.