Home / 357,097,004.16-492,791,885.20-200,464,069.72

Finding the Fourth Proportional to 357,097,004.16, 492,791,885.20 and 200,464,069.72

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Solution

The fourth proportional to 357,097,004.16, 492,791,885.20 and 200,464,069.72 is: 276,639,304.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,097,004.16 : 492,791,885.20 = 200,464,069.72 : x
  2. Step 2: Convert to fraction form
    357,097,004.16/492,791,885.20 = 200,464,069.72/x
  3. Step 3: Cross multiply
    357,097,004.16x = 492,791,885.20 × 200,464,069.72
  4. Step 4: Simplify right side
    357,097,004.16x = 98,787,066,832,183,040
  5. Step 5: Solve for x
    x = 98,787,066,832,183,040/357,097,004.16
  6. Step 6: Final answer
    x = 276,639,304.39

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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.