Home / 410,355,905.18-615,571,697.43-134,008,567.74

Finding the Fourth Proportional to 410,355,905.18, 615,571,697.43 and 134,008,567.74

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Solution

The fourth proportional to 410,355,905.18, 615,571,697.43 and 134,008,567.74 is: 201,025,208.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,355,905.18 : 615,571,697.43 = 134,008,567.74 : x
  2. Step 2: Convert to fraction form
    410,355,905.18/615,571,697.43 = 134,008,567.74/x
  3. Step 3: Cross multiply
    410,355,905.18x = 615,571,697.43 × 134,008,567.74
  4. Step 4: Simplify right side
    410,355,905.18x = 82,491,881,513,874,928
  5. Step 5: Solve for x
    x = 82,491,881,513,874,928/410,355,905.18
  6. Step 6: Final answer
    x = 201,025,208.78

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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.