Home / 128,477,462,799.43-192,596,376,339.63-43,428,082,024.19

Finding the Fourth Proportional to 128,477,462,799.43, 192,596,376,339.63 and 43,428,082,024.19

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Solution

The fourth proportional to 128,477,462,799.43, 192,596,376,339.63 and 43,428,082,024.19 is: 65,101,622,082.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,477,462,799.43 : 192,596,376,339.63 = 43,428,082,024.19 : x
  2. Step 2: Convert to fraction form
    128,477,462,799.43/192,596,376,339.63 = 43,428,082,024.19/x
  3. Step 3: Cross multiply
    128,477,462,799.43x = 192,596,376,339.63 × 43,428,082,024.19
  4. Step 4: Simplify right side
    128,477,462,799.43x = 8,364,091,229,238,254,895,104
  5. Step 5: Solve for x
    x = 8,364,091,229,238,254,895,104/128,477,462,799.43
  6. Step 6: Final answer
    x = 65,101,622,082.12

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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.