Home / 545,001,948.68-751,990,416.18-313,170,150.92

Finding the Fourth Proportional to 545,001,948.68, 751,990,416.18 and 313,170,150.92

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Solution

The fourth proportional to 545,001,948.68, 751,990,416.18 and 313,170,150.92 is: 432,110,293.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,001,948.68 : 751,990,416.18 = 313,170,150.92 : x
  2. Step 2: Convert to fraction form
    545,001,948.68/751,990,416.18 = 313,170,150.92/x
  3. Step 3: Cross multiply
    545,001,948.68x = 751,990,416.18 × 313,170,150.92
  4. Step 4: Simplify right side
    545,001,948.68x = 235,500,952,125,484,192
  5. Step 5: Solve for x
    x = 235,500,952,125,484,192/545,001,948.68
  6. Step 6: Final answer
    x = 432,110,293.73

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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.