Home / 648,045,914.26-894,207,158.35-393,594,859.36

Finding the Fourth Proportional to 648,045,914.26, 894,207,158.35 and 393,594,859.36

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Solution

The fourth proportional to 648,045,914.26, 894,207,158.35 and 393,594,859.36 is: 543,102,476.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,045,914.26 : 894,207,158.35 = 393,594,859.36 : x
  2. Step 2: Convert to fraction form
    648,045,914.26/894,207,158.35 = 393,594,859.36/x
  3. Step 3: Cross multiply
    648,045,914.26x = 894,207,158.35 × 393,594,859.36
  4. Step 4: Simplify right side
    648,045,914.26x = 351,955,340,730,725,056
  5. Step 5: Solve for x
    x = 351,955,340,730,725,056/648,045,914.26
  6. Step 6: Final answer
    x = 543,102,476.21

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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.