Home / 362,543,445.84-543,818,940.08-290,219,969.28

Finding the Fourth Proportional to 362,543,445.84, 543,818,940.08 and 290,219,969.28

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Solution

The fourth proportional to 362,543,445.84, 543,818,940.08 and 290,219,969.28 is: 435,332,972.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,543,445.84 : 543,818,940.08 = 290,219,969.28 : x
  2. Step 2: Convert to fraction form
    362,543,445.84/543,818,940.08 = 290,219,969.28/x
  3. Step 3: Cross multiply
    362,543,445.84x = 543,818,940.08 × 290,219,969.28
  4. Step 4: Simplify right side
    362,543,445.84x = 157,827,116,083,899,744
  5. Step 5: Solve for x
    x = 157,827,116,083,899,744/362,543,445.84
  6. Step 6: Final answer
    x = 435,332,972.90

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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.