Home / 984,678,731.26-1,358,889,060.21-538,631,887.01

Finding the Fourth Proportional to 984,678,731.26, 1,358,889,060.21 and 538,631,887.01

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Solution

The fourth proportional to 984,678,731.26, 1,358,889,060.21 and 538,631,887.01 is: 743,329,733.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,678,731.26 : 1,358,889,060.21 = 538,631,887.01 : x
  2. Step 2: Convert to fraction form
    984,678,731.26/1,358,889,060.21 = 538,631,887.01/x
  3. Step 3: Cross multiply
    984,678,731.26x = 1,358,889,060.21 × 538,631,887.01
  4. Step 4: Simplify right side
    984,678,731.26x = 731,940,978,741,671,296
  5. Step 5: Solve for x
    x = 731,940,978,741,671,296/984,678,731.26
  6. Step 6: Final answer
    x = 743,329,733.35

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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.