Home / 409,667,769.46-565,385,333.58-251,003,188.87

Finding the Fourth Proportional to 409,667,769.46, 565,385,333.58 and 251,003,188.87

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Solution

The fourth proportional to 409,667,769.46, 565,385,333.58 and 251,003,188.87 is: 346,411,244.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,667,769.46 : 565,385,333.58 = 251,003,188.87 : x
  2. Step 2: Convert to fraction form
    409,667,769.46/565,385,333.58 = 251,003,188.87/x
  3. Step 3: Cross multiply
    409,667,769.46x = 565,385,333.58 × 251,003,188.87
  4. Step 4: Simplify right side
    409,667,769.46x = 141,913,521,668,908,704
  5. Step 5: Solve for x
    x = 141,913,521,668,908,704/409,667,769.46
  6. Step 6: Final answer
    x = 346,411,244.06

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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.