Home / 409,667,756.80-565,385,316.16-251,003,176.26

Finding the Fourth Proportional to 409,667,756.80, 565,385,316.16 and 251,003,176.26

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Solution

The fourth proportional to 409,667,756.80, 565,385,316.16 and 251,003,176.26 is: 346,411,226.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,667,756.80 : 565,385,316.16 = 251,003,176.26 : x
  2. Step 2: Convert to fraction form
    409,667,756.80/565,385,316.16 = 251,003,176.26/x
  3. Step 3: Cross multiply
    409,667,756.80x = 565,385,316.16 × 251,003,176.26
  4. Step 4: Simplify right side
    409,667,756.80x = 141,913,510,166,924,288
  5. Step 5: Solve for x
    x = 141,913,510,166,924,288/409,667,756.80
  6. Step 6: Final answer
    x = 346,411,226.69

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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.