Home / 356,908,966.11-492,552,300.48-223,027,758.90

Finding the Fourth Proportional to 356,908,966.11, 492,552,300.48 and 223,027,758.90

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Solution

The fourth proportional to 356,908,966.11, 492,552,300.48 and 223,027,758.90 is: 307,789,509.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,908,966.11 : 492,552,300.48 = 223,027,758.90 : x
  2. Step 2: Convert to fraction form
    356,908,966.11/492,552,300.48 = 223,027,758.90/x
  3. Step 3: Cross multiply
    356,908,966.11x = 492,552,300.48 × 223,027,758.90
  4. Step 4: Simplify right side
    356,908,966.11x = 109,852,835,717,093,808
  5. Step 5: Solve for x
    x = 109,852,835,717,093,808/356,908,966.11
  6. Step 6: Final answer
    x = 307,789,509.79

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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.