Home / 1,394,309,916-1,924,147,679.76-767,776,851.36

Finding the Fourth Proportional to 1,394,309,916, 1,924,147,679.76 and 767,776,851.36

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Solution

The fourth proportional to 1,394,309,916, 1,924,147,679.76 and 767,776,851.36 is: 1,059,532,052.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,309,916 : 1,924,147,679.76 = 767,776,851.36 : x
  2. Step 2: Convert to fraction form
    1,394,309,916/1,924,147,679.76 = 767,776,851.36/x
  3. Step 3: Cross multiply
    1,394,309,916x = 1,924,147,679.76 × 767,776,851.36
  4. Step 4: Simplify right side
    1,394,309,916x = 1,477,316,047,117,782,528
  5. Step 5: Solve for x
    x = 1,477,316,047,117,782,528/1,394,309,916
  6. Step 6: Final answer
    x = 1,059,532,052.50

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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.