Home / 354,709,511.32-489,489,641.82-195,936,217.07

Finding the Fourth Proportional to 354,709,511.32, 489,489,641.82 and 195,936,217.07

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Solution

The fourth proportional to 354,709,511.32, 489,489,641.82 and 195,936,217.07 is: 270,386,740.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,709,511.32 : 489,489,641.82 = 195,936,217.07 : x
  2. Step 2: Convert to fraction form
    354,709,511.32/489,489,641.82 = 195,936,217.07/x
  3. Step 3: Cross multiply
    354,709,511.32x = 489,489,641.82 × 195,936,217.07
  4. Step 4: Simplify right side
    354,709,511.32x = 95,908,748,712,631,808
  5. Step 5: Solve for x
    x = 95,908,748,712,631,808/354,709,511.32
  6. Step 6: Final answer
    x = 270,386,740.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.