Home / 989,066,974.07-1,364,915,110.08-543,059,225.78

Finding the Fourth Proportional to 989,066,974.07, 1,364,915,110.08 and 543,059,225.78

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Solution

The fourth proportional to 989,066,974.07, 1,364,915,110.08 and 543,059,225.78 is: 749,423,206.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,066,974.07 : 1,364,915,110.08 = 543,059,225.78 : x
  2. Step 2: Convert to fraction form
    989,066,974.07/1,364,915,110.08 = 543,059,225.78/x
  3. Step 3: Cross multiply
    989,066,974.07x = 1,364,915,110.08 × 543,059,225.78
  4. Step 4: Simplify right side
    989,066,974.07x = 741,229,742,928,643,584
  5. Step 5: Solve for x
    x = 741,229,742,928,643,584/989,066,974.07
  6. Step 6: Final answer
    x = 749,423,206.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.