Home / 280,210,707.64-420,316,071.18-204,018,601.96

Finding the Fourth Proportional to 280,210,707.64, 420,316,071.18 and 204,018,601.96

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Solution

The fourth proportional to 280,210,707.64, 420,316,071.18 and 204,018,601.96 is: 306,027,910.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,210,707.64 : 420,316,071.18 = 204,018,601.96 : x
  2. Step 2: Convert to fraction form
    280,210,707.64/420,316,071.18 = 204,018,601.96/x
  3. Step 3: Cross multiply
    280,210,707.64x = 420,316,071.18 × 204,018,601.96
  4. Step 4: Simplify right side
    280,210,707.64x = 85,752,297,223,463,456
  5. Step 5: Solve for x
    x = 85,752,297,223,463,456/280,210,707.64
  6. Step 6: Final answer
    x = 306,027,910.02

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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.