Home / 384,483,748.32-530,576,611.02-225,711,318.20

Finding the Fourth Proportional to 384,483,748.32, 530,576,611.02 and 225,711,318.20

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Solution

The fourth proportional to 384,483,748.32, 530,576,611.02 and 225,711,318.20 is: 311,475,184.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,483,748.32 : 530,576,611.02 = 225,711,318.20 : x
  2. Step 2: Convert to fraction form
    384,483,748.32/530,576,611.02 = 225,711,318.20/x
  3. Step 3: Cross multiply
    384,483,748.32x = 530,576,611.02 × 225,711,318.20
  4. Step 4: Simplify right side
    384,483,748.32x = 119,757,146,276,759,952
  5. Step 5: Solve for x
    x = 119,757,146,276,759,952/384,483,748.32
  6. Step 6: Final answer
    x = 311,475,184.06

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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.