Home / 779,929,862.40-1,169,894,722.56-343,230,546.42

Finding the Fourth Proportional to 779,929,862.40, 1,169,894,722.56 and 343,230,546.42

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Solution

The fourth proportional to 779,929,862.40, 1,169,894,722.56 and 343,230,546.42 is: 514,845,788.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,929,862.40 : 1,169,894,722.56 = 343,230,546.42 : x
  2. Step 2: Convert to fraction form
    779,929,862.40/1,169,894,722.56 = 343,230,546.42/x
  3. Step 3: Cross multiply
    779,929,862.40x = 1,169,894,722.56 × 343,230,546.42
  4. Step 4: Simplify right side
    779,929,862.40x = 401,543,604,878,143,104
  5. Step 5: Solve for x
    x = 401,543,604,878,143,104/779,929,862.40
  6. Step 6: Final answer
    x = 514,845,788.37

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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.