Home / 412,924,564.80-619,386,847.20-290,241,409.95

Finding the Fourth Proportional to 412,924,564.80, 619,386,847.20 and 290,241,409.95

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Solution

The fourth proportional to 412,924,564.80, 619,386,847.20 and 290,241,409.95 is: 435,362,114.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,924,564.80 : 619,386,847.20 = 290,241,409.95 : x
  2. Step 2: Convert to fraction form
    412,924,564.80/619,386,847.20 = 290,241,409.95/x
  3. Step 3: Cross multiply
    412,924,564.80x = 619,386,847.20 × 290,241,409.95
  4. Step 4: Simplify right side
    412,924,564.80x = 179,771,711,835,813,216
  5. Step 5: Solve for x
    x = 179,771,711,835,813,216/412,924,564.80
  6. Step 6: Final answer
    x = 435,362,114.93

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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.