Home / 1,381,930,028.71-2,072,895,043.02-461,806,367.29

Finding the Fourth Proportional to 1,381,930,028.71, 2,072,895,043.02 and 461,806,367.29

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Solution

The fourth proportional to 1,381,930,028.71, 2,072,895,043.02 and 461,806,367.29 is: 692,709,550.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,930,028.71 : 2,072,895,043.02 = 461,806,367.29 : x
  2. Step 2: Convert to fraction form
    1,381,930,028.71/2,072,895,043.02 = 461,806,367.29/x
  3. Step 3: Cross multiply
    1,381,930,028.71x = 2,072,895,043.02 × 461,806,367.29
  4. Step 4: Simplify right side
    1,381,930,028.71x = 957,276,129,590,514,560
  5. Step 5: Solve for x
    x = 957,276,129,590,514,560/1,381,930,028.71
  6. Step 6: Final answer
    x = 692,709,550.92

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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.