Home / 282,634,665.60-423,951,998.40-221,412,662.40

Finding the Fourth Proportional to 282,634,665.60, 423,951,998.40 and 221,412,662.40

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Solution

The fourth proportional to 282,634,665.60, 423,951,998.40 and 221,412,662.40 is: 332,118,993.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,634,665.60 : 423,951,998.40 = 221,412,662.40 : x
  2. Step 2: Convert to fraction form
    282,634,665.60/423,951,998.40 = 221,412,662.40/x
  3. Step 3: Cross multiply
    282,634,665.60x = 423,951,998.40 × 221,412,662.40
  4. Step 4: Simplify right side
    282,634,665.60x = 93,868,340,695,544,544
  5. Step 5: Solve for x
    x = 93,868,340,695,544,544/282,634,665.60
  6. Step 6: Final answer
    x = 332,118,993.60

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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.