Home / 769,928,044.88-1,155,194,547.96-338,804,210

Finding the Fourth Proportional to 769,928,044.88, 1,155,194,547.96 and 338,804,210

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Solution

The fourth proportional to 769,928,044.88, 1,155,194,547.96 and 338,804,210 is: 508,339,420.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,928,044.88 : 1,155,194,547.96 = 338,804,210 : x
  2. Step 2: Convert to fraction form
    769,928,044.88/1,155,194,547.96 = 338,804,210/x
  3. Step 3: Cross multiply
    769,928,044.88x = 1,155,194,547.96 × 338,804,210
  4. Step 4: Simplify right side
    769,928,044.88x = 391,384,776,217,894,912
  5. Step 5: Solve for x
    x = 391,384,776,217,894,912/769,928,044.88
  6. Step 6: Final answer
    x = 508,339,420.57

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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.