Home / 412,924,573.80-619,386,860.70-290,241,418.95

Finding the Fourth Proportional to 412,924,573.80, 619,386,860.70 and 290,241,418.95

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Solution

The fourth proportional to 412,924,573.80, 619,386,860.70 and 290,241,418.95 is: 435,362,128.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,924,573.80 : 619,386,860.70 = 290,241,418.95 : x
  2. Step 2: Convert to fraction form
    412,924,573.80/619,386,860.70 = 290,241,418.95/x
  3. Step 3: Cross multiply
    412,924,573.80x = 619,386,860.70 × 290,241,418.95
  4. Step 4: Simplify right side
    412,924,573.80x = 179,771,721,328,553,984
  5. Step 5: Solve for x
    x = 179,771,721,328,553,984/412,924,573.80
  6. Step 6: Final answer
    x = 435,362,128.43

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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.