Home / 278,837,158.53-384,793,150.26-153,386,653.14

Finding the Fourth Proportional to 278,837,158.53, 384,793,150.26 and 153,386,653.14

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Solution

The fourth proportional to 278,837,158.53, 384,793,150.26 and 153,386,653.14 is: 211,672,410.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,837,158.53 : 384,793,150.26 = 153,386,653.14 : x
  2. Step 2: Convert to fraction form
    278,837,158.53/384,793,150.26 = 153,386,653.14/x
  3. Step 3: Cross multiply
    278,837,158.53x = 384,793,150.26 × 153,386,653.14
  4. Step 4: Simplify right side
    278,837,158.53x = 59,022,133,469,578,512
  5. Step 5: Solve for x
    x = 59,022,133,469,578,512/278,837,158.53
  6. Step 6: Final answer
    x = 211,672,410.45

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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.