Home / 516,110,160.96-772,890,570.72-384,637,168.80

Finding the Fourth Proportional to 516,110,160.96, 772,890,570.72 and 384,637,168.80

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Solution

The fourth proportional to 516,110,160.96, 772,890,570.72 and 384,637,168.80 is: 576,005,789.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,110,160.96 : 772,890,570.72 = 384,637,168.80 : x
  2. Step 2: Convert to fraction form
    516,110,160.96/772,890,570.72 = 384,637,168.80/x
  3. Step 3: Cross multiply
    516,110,160.96x = 772,890,570.72 × 384,637,168.80
  4. Step 4: Simplify right side
    516,110,160.96x = 297,282,440,913,956,992
  5. Step 5: Solve for x
    x = 297,282,440,913,956,992/516,110,160.96
  6. Step 6: Final answer
    x = 576,005,789.85

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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.