Home / 779,929,875.76-1,169,894,742.62-343,230,559.76

Finding the Fourth Proportional to 779,929,875.76, 1,169,894,742.62 and 343,230,559.76

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Solution

The fourth proportional to 779,929,875.76, 1,169,894,742.62 and 343,230,559.76 is: 514,845,808.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,929,875.76 : 1,169,894,742.62 = 343,230,559.76 : x
  2. Step 2: Convert to fraction form
    779,929,875.76/1,169,894,742.62 = 343,230,559.76/x
  3. Step 3: Cross multiply
    779,929,875.76x = 1,169,894,742.62 × 343,230,559.76
  4. Step 4: Simplify right side
    779,929,875.76x = 401,543,627,369,743,680
  5. Step 5: Solve for x
    x = 401,543,627,369,743,680/779,929,875.76
  6. Step 6: Final answer
    x = 514,845,808.39

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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.