Home / 818,136,898.08-1,227,377,700.90-265,396,166.76

Finding the Fourth Proportional to 818,136,898.08, 1,227,377,700.90 and 265,396,166.76

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Solution

The fourth proportional to 818,136,898.08, 1,227,377,700.90 and 265,396,166.76 is: 398,150,160.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,136,898.08 : 1,227,377,700.90 = 265,396,166.76 : x
  2. Step 2: Convert to fraction form
    818,136,898.08/1,227,377,700.90 = 265,396,166.76/x
  3. Step 3: Cross multiply
    818,136,898.08x = 1,227,377,700.90 × 265,396,166.76
  4. Step 4: Simplify right side
    818,136,898.08x = 325,741,336,985,561,792
  5. Step 5: Solve for x
    x = 325,741,336,985,561,792/818,136,898.08
  6. Step 6: Final answer
    x = 398,150,160.14

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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.