Home / 422,935,267.04-634,402,027.20-238,619,073.68

Finding the Fourth Proportional to 422,935,267.04, 634,402,027.20 and 238,619,073.68

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Solution

The fourth proportional to 422,935,267.04, 634,402,027.20 and 238,619,073.68 is: 357,928,117.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,935,267.04 : 634,402,027.20 = 238,619,073.68 : x
  2. Step 2: Convert to fraction form
    422,935,267.04/634,402,027.20 = 238,619,073.68/x
  3. Step 3: Cross multiply
    422,935,267.04x = 634,402,027.20 × 238,619,073.68
  4. Step 4: Simplify right side
    422,935,267.04x = 151,380,424,071,178,176
  5. Step 5: Solve for x
    x = 151,380,424,071,178,176/422,935,267.04
  6. Step 6: Final answer
    x = 357,928,117.77

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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.