Home / 349,922,981.70-524,884,472.55-220,109,660.10

Finding the Fourth Proportional to 349,922,981.70, 524,884,472.55 and 220,109,660.10

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Solution

The fourth proportional to 349,922,981.70, 524,884,472.55 and 220,109,660.10 is: 330,164,490.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,922,981.70 : 524,884,472.55 = 220,109,660.10 : x
  2. Step 2: Convert to fraction form
    349,922,981.70/524,884,472.55 = 220,109,660.10/x
  3. Step 3: Cross multiply
    349,922,981.70x = 524,884,472.55 × 220,109,660.10
  4. Step 4: Simplify right side
    349,922,981.70x = 115,532,142,844,748,272
  5. Step 5: Solve for x
    x = 115,532,142,844,748,272/349,922,981.70
  6. Step 6: Final answer
    x = 330,164,490.15

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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.