Home / 355,758,117.40-490,941,111-196,973,026.84

Finding the Fourth Proportional to 355,758,117.40, 490,941,111 and 196,973,026.84

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Solution

The fourth proportional to 355,758,117.40, 490,941,111 and 196,973,026.84 is: 271,819,958.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,758,117.40 : 490,941,111 = 196,973,026.84 : x
  2. Step 2: Convert to fraction form
    355,758,117.40/490,941,111 = 196,973,026.84/x
  3. Step 3: Cross multiply
    355,758,117.40x = 490,941,111 × 196,973,026.84
  4. Step 4: Simplify right side
    355,758,117.40x = 96,702,156,633,862,416
  5. Step 5: Solve for x
    x = 96,702,156,633,862,416/355,758,117.40
  6. Step 6: Final answer
    x = 271,819,958.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.