Home / 430,455,174-645,563,206.44-119,491,298.16

Finding the Fourth Proportional to 430,455,174, 645,563,206.44 and 119,491,298.16

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Solution

The fourth proportional to 430,455,174, 645,563,206.44 and 119,491,298.16 is: 179,203,759.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,455,174 : 645,563,206.44 = 119,491,298.16 : x
  2. Step 2: Convert to fraction form
    430,455,174/645,563,206.44 = 119,491,298.16/x
  3. Step 3: Cross multiply
    430,455,174x = 645,563,206.44 × 119,491,298.16
  4. Step 4: Simplify right side
    430,455,174x = 77,139,185,581,847,680
  5. Step 5: Solve for x
    x = 77,139,185,581,847,680/430,455,174
  6. Step 6: Final answer
    x = 179,203,759.74

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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.