Home / 989,066,972.57-1,364,915,108.00-543,059,224.27

Finding the Fourth Proportional to 989,066,972.57, 1,364,915,108.00 and 543,059,224.27

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Solution

The fourth proportional to 989,066,972.57, 1,364,915,108.00 and 543,059,224.27 is: 749,423,204.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,066,972.57 : 1,364,915,108.00 = 543,059,224.27 : x
  2. Step 2: Convert to fraction form
    989,066,972.57/1,364,915,108.00 = 543,059,224.27/x
  3. Step 3: Cross multiply
    989,066,972.57x = 1,364,915,108.00 × 543,059,224.27
  4. Step 4: Simplify right side
    989,066,972.57x = 741,229,739,742,828,672
  5. Step 5: Solve for x
    x = 741,229,739,742,828,672/989,066,972.57
  6. Step 6: Final answer
    x = 749,423,204.19

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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.