Home / 853,136,167.07-1,279,752,080.04-239,672,563.67

Finding the Fourth Proportional to 853,136,167.07, 1,279,752,080.04 and 239,672,563.67

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Solution

The fourth proportional to 853,136,167.07, 1,279,752,080.04 and 239,672,563.67 is: 359,522,282.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,136,167.07 : 1,279,752,080.04 = 239,672,563.67 : x
  2. Step 2: Convert to fraction form
    853,136,167.07/1,279,752,080.04 = 239,672,563.67/x
  3. Step 3: Cross multiply
    853,136,167.07x = 1,279,752,080.04 × 239,672,563.67
  4. Step 4: Simplify right side
    853,136,167.07x = 306,721,461,878,803,072
  5. Step 5: Solve for x
    x = 306,721,461,878,803,072/853,136,167.07
  6. Step 6: Final answer
    x = 359,522,282.28

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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.