Home / 368,802,470.30-553,203,705.45-347,639,308.70

Finding the Fourth Proportional to 368,802,470.30, 553,203,705.45 and 347,639,308.70

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Solution

The fourth proportional to 368,802,470.30, 553,203,705.45 and 347,639,308.70 is: 521,458,963.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,802,470.30 : 553,203,705.45 = 347,639,308.70 : x
  2. Step 2: Convert to fraction form
    368,802,470.30/553,203,705.45 = 347,639,308.70/x
  3. Step 3: Cross multiply
    368,802,470.30x = 553,203,705.45 × 347,639,308.70
  4. Step 4: Simplify right side
    368,802,470.30x = 192,315,353,732,916,448
  5. Step 5: Solve for x
    x = 192,315,353,732,916,448/368,802,470.30
  6. Step 6: Final answer
    x = 521,458,963.05

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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.