Home / 380,784,130.56-571,176,322.56-104,438,222.64

Finding the Fourth Proportional to 380,784,130.56, 571,176,322.56 and 104,438,222.64

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Solution

The fourth proportional to 380,784,130.56, 571,176,322.56 and 104,438,222.64 is: 156,657,368.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,784,130.56 : 571,176,322.56 = 104,438,222.64 : x
  2. Step 2: Convert to fraction form
    380,784,130.56/571,176,322.56 = 104,438,222.64/x
  3. Step 3: Cross multiply
    380,784,130.56x = 571,176,322.56 × 104,438,222.64
  4. Step 4: Simplify right side
    380,784,130.56x = 59,652,639,942,217,728
  5. Step 5: Solve for x
    x = 59,652,639,942,217,728/380,784,130.56
  6. Step 6: Final answer
    x = 156,657,368.72

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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.