Home / 430,544,100.82-645,291,482.41-223,168,183.16

Finding the Fourth Proportional to 430,544,100.82, 645,291,482.41 and 223,168,183.16

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Solution

The fourth proportional to 430,544,100.82, 645,291,482.41 and 223,168,183.16 is: 334,480,317.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,544,100.82 : 645,291,482.41 = 223,168,183.16 : x
  2. Step 2: Convert to fraction form
    430,544,100.82/645,291,482.41 = 223,168,183.16/x
  3. Step 3: Cross multiply
    430,544,100.82x = 645,291,482.41 × 223,168,183.16
  4. Step 4: Simplify right side
    430,544,100.82x = 144,008,527,735,115,296
  5. Step 5: Solve for x
    x = 144,008,527,735,115,296/430,544,100.82
  6. Step 6: Final answer
    x = 334,480,317.95

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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.