Home / 412,924,501.80-619,386,752.70-290,241,346.95

Finding the Fourth Proportional to 412,924,501.80, 619,386,752.70 and 290,241,346.95

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Solution

The fourth proportional to 412,924,501.80, 619,386,752.70 and 290,241,346.95 is: 435,362,020.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,924,501.80 : 619,386,752.70 = 290,241,346.95 : x
  2. Step 2: Convert to fraction form
    412,924,501.80/619,386,752.70 = 290,241,346.95/x
  3. Step 3: Cross multiply
    412,924,501.80x = 619,386,752.70 × 290,241,346.95
  4. Step 4: Simplify right side
    412,924,501.80x = 179,771,645,386,634,560
  5. Step 5: Solve for x
    x = 179,771,645,386,634,560/412,924,501.80
  6. Step 6: Final answer
    x = 435,362,020.43

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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.