Home / 1,122,677,959-1,549,123,467-646,276,240.12

Finding the Fourth Proportional to 1,122,677,959, 1,549,123,467 and 646,276,240.12

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Solution

The fourth proportional to 1,122,677,959, 1,549,123,467 and 646,276,240.12 is: 891,762,131.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,677,959 : 1,549,123,467 = 646,276,240.12 : x
  2. Step 2: Convert to fraction form
    1,122,677,959/1,549,123,467 = 646,276,240.12/x
  3. Step 3: Cross multiply
    1,122,677,959x = 1,549,123,467 × 646,276,240.12
  4. Step 4: Simplify right side
    1,122,677,959x = 1,001,161,689,734,418,944
  5. Step 5: Solve for x
    x = 1,001,161,689,734,418,944/1,122,677,959
  6. Step 6: Final answer
    x = 891,762,131.53

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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.