Home / 322,569,416.30-483,917,110.05-128,447,797.10

Finding the Fourth Proportional to 322,569,416.30, 483,917,110.05 and 128,447,797.10

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Solution

The fourth proportional to 322,569,416.30, 483,917,110.05 and 128,447,797.10 is: 192,696,776.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,569,416.30 : 483,917,110.05 = 128,447,797.10 : x
  2. Step 2: Convert to fraction form
    322,569,416.30/483,917,110.05 = 128,447,797.10/x
  3. Step 3: Cross multiply
    322,569,416.30x = 483,917,110.05 × 128,447,797.10
  4. Step 4: Simplify right side
    322,569,416.30x = 62,158,086,764,920,768
  5. Step 5: Solve for x
    x = 62,158,086,764,920,768/322,569,416.30
  6. Step 6: Final answer
    x = 192,696,776.64

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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.