Home / 357,164,428.02-492,870,251.84-198,404,841.12

Finding the Fourth Proportional to 357,164,428.02, 492,870,251.84 and 198,404,841.12

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Solution

The fourth proportional to 357,164,428.02, 492,870,251.84 and 198,404,841.12 is: 273,789,426.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,164,428.02 : 492,870,251.84 = 198,404,841.12 : x
  2. Step 2: Convert to fraction form
    357,164,428.02/492,870,251.84 = 198,404,841.12/x
  3. Step 3: Cross multiply
    357,164,428.02x = 492,870,251.84 × 198,404,841.12
  4. Step 4: Simplify right side
    357,164,428.02x = 97,787,844,009,089,584
  5. Step 5: Solve for x
    x = 97,787,844,009,089,584/357,164,428.02
  6. Step 6: Final answer
    x = 273,789,426.77

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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.