Home / 424,331,565.73-636,497,525.48-190,889,609.67

Finding the Fourth Proportional to 424,331,565.73, 636,497,525.48 and 190,889,609.67

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Solution

The fourth proportional to 424,331,565.73, 636,497,525.48 and 190,889,609.67 is: 286,334,494.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,331,565.73 : 636,497,525.48 = 190,889,609.67 : x
  2. Step 2: Convert to fraction form
    424,331,565.73/636,497,525.48 = 190,889,609.67/x
  3. Step 3: Cross multiply
    424,331,565.73x = 636,497,525.48 × 190,889,609.67
  4. Step 4: Simplify right side
    424,331,565.73x = 121,500,764,193,843,632
  5. Step 5: Solve for x
    x = 121,500,764,193,843,632/424,331,565.73
  6. Step 6: Final answer
    x = 286,334,494.08

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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.