Home / 368,724,032.30-508,839,711.76-209,954,284.63

Finding the Fourth Proportional to 368,724,032.30, 508,839,711.76 and 209,954,284.63

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Solution

The fourth proportional to 368,724,032.30, 508,839,711.76 and 209,954,284.63 is: 289,737,224.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,724,032.30 : 508,839,711.76 = 209,954,284.63 : x
  2. Step 2: Convert to fraction form
    368,724,032.30/508,839,711.76 = 209,954,284.63/x
  3. Step 3: Cross multiply
    368,724,032.30x = 508,839,711.76 × 209,954,284.63
  4. Step 4: Simplify right side
    368,724,032.30x = 106,833,077,670,312,224
  5. Step 5: Solve for x
    x = 106,833,077,670,312,224/368,724,032.30
  6. Step 6: Final answer
    x = 289,737,224.36

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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.