Home / 290,313,732.30-434,873,401.65-146,787,434.70

Finding the Fourth Proportional to 290,313,732.30, 434,873,401.65 and 146,787,434.70

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Solution

The fourth proportional to 290,313,732.30, 434,873,401.65 and 146,787,434.70 is: 219,879,199.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,313,732.30 : 434,873,401.65 = 146,787,434.70 : x
  2. Step 2: Convert to fraction form
    290,313,732.30/434,873,401.65 = 146,787,434.70/x
  3. Step 3: Cross multiply
    290,313,732.30x = 434,873,401.65 × 146,787,434.70
  4. Step 4: Simplify right side
    290,313,732.30x = 63,833,951,047,466,240
  5. Step 5: Solve for x
    x = 63,833,951,047,466,240/290,313,732.30
  6. Step 6: Final answer
    x = 219,879,199.45

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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.