Home / 221,670,768,916.36-332,327,217,102.45-203,778,095,439.11

Finding the Fourth Proportional to 221,670,768,916.36, 332,327,217,102.45 and 203,778,095,439.11

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Solution

The fourth proportional to 221,670,768,916.36, 332,327,217,102.45 and 203,778,095,439.11 is: 305,502,650,145.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,670,768,916.36 : 332,327,217,102.45 = 203,778,095,439.11 : x
  2. Step 2: Convert to fraction form
    221,670,768,916.36/332,327,217,102.45 = 203,778,095,439.11/x
  3. Step 3: Cross multiply
    221,670,768,916.36x = 332,327,217,102.45 × 203,778,095,439.11
  4. Step 4: Simplify right side
    221,670,768,916.36x = 67,721,007,363,716,882,104,320
  5. Step 5: Solve for x
    x = 67,721,007,363,716,882,104,320/221,670,768,916.36
  6. Step 6: Final answer
    x = 305,502,650,145.40

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1.5x scale

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.