Home / 492,713,489,374.40-739,381,127,046.60-209,731,870,724.94

Finding the Fourth Proportional to 492,713,489,374.40, 739,381,127,046.60 and 209,731,870,724.94

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Solution

The fourth proportional to 492,713,489,374.40, 739,381,127,046.60 and 209,731,870,724.94 is: 314,730,142,970.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,713,489,374.40 : 739,381,127,046.60 = 209,731,870,724.94 : x
  2. Step 2: Convert to fraction form
    492,713,489,374.40/739,381,127,046.60 = 209,731,870,724.94/x
  3. Step 3: Cross multiply
    492,713,489,374.40x = 739,381,127,046.60 × 209,731,870,724.94
  4. Step 4: Simplify right side
    492,713,489,374.40x = 155,071,786,954,197,934,538,752
  5. Step 5: Solve for x
    x = 155,071,786,954,197,934,538,752/492,713,489,374.40
  6. Step 6: Final answer
    x = 314,730,142,970.30

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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.