Home / 887,072,724.09-1,329,564,140.22-362,113,975.68

Finding the Fourth Proportional to 887,072,724.09, 1,329,564,140.22 and 362,113,975.68

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Solution

The fourth proportional to 887,072,724.09, 1,329,564,140.22 and 362,113,975.68 is: 542,744,403.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,072,724.09 : 1,329,564,140.22 = 362,113,975.68 : x
  2. Step 2: Convert to fraction form
    887,072,724.09/1,329,564,140.22 = 362,113,975.68/x
  3. Step 3: Cross multiply
    887,072,724.09x = 1,329,564,140.22 × 362,113,975.68
  4. Step 4: Simplify right side
    887,072,724.09x = 481,453,756,736,625,216
  5. Step 5: Solve for x
    x = 481,453,756,736,625,216/887,072,724.09
  6. Step 6: Final answer
    x = 542,744,403.77

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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.