Home / 412,857,010.80-619,285,516.20-249,598,335.60

Finding the Fourth Proportional to 412,857,010.80, 619,285,516.20 and 249,598,335.60

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Solution

The fourth proportional to 412,857,010.80, 619,285,516.20 and 249,598,335.60 is: 374,397,503.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,857,010.80 : 619,285,516.20 = 249,598,335.60 : x
  2. Step 2: Convert to fraction form
    412,857,010.80/619,285,516.20 = 249,598,335.60/x
  3. Step 3: Cross multiply
    412,857,010.80x = 619,285,516.20 × 249,598,335.60
  4. Step 4: Simplify right side
    412,857,010.80x = 154,572,634,104,706,848
  5. Step 5: Solve for x
    x = 154,572,634,104,706,848/412,857,010.80
  6. Step 6: Final answer
    x = 374,397,503.40

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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.