Home / 280,908,145.80-421,362,218.70-246,895,921.80

Finding the Fourth Proportional to 280,908,145.80, 421,362,218.70 and 246,895,921.80

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Solution

The fourth proportional to 280,908,145.80, 421,362,218.70 and 246,895,921.80 is: 370,343,882.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,908,145.80 : 421,362,218.70 = 246,895,921.80 : x
  2. Step 2: Convert to fraction form
    280,908,145.80/421,362,218.70 = 246,895,921.80/x
  3. Step 3: Cross multiply
    280,908,145.80x = 421,362,218.70 × 246,895,921.80
  4. Step 4: Simplify right side
    280,908,145.80x = 104,032,613,397,629,696
  5. Step 5: Solve for x
    x = 104,032,613,397,629,696/280,908,145.80
  6. Step 6: Final answer
    x = 370,343,882.70

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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.