Home / 821,926,574.92-1,232,758,622.89-239,524,590.25

Finding the Fourth Proportional to 821,926,574.92, 1,232,758,622.89 and 239,524,590.25

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Solution

The fourth proportional to 821,926,574.92, 1,232,758,622.89 and 239,524,590.25 is: 359,248,639.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,926,574.92 : 1,232,758,622.89 = 239,524,590.25 : x
  2. Step 2: Convert to fraction form
    821,926,574.92/1,232,758,622.89 = 239,524,590.25/x
  3. Step 3: Cross multiply
    821,926,574.92x = 1,232,758,622.89 × 239,524,590.25
  4. Step 4: Simplify right side
    821,926,574.92x = 295,276,004,024,881,536
  5. Step 5: Solve for x
    x = 295,276,004,024,881,536/821,926,574.92
  6. Step 6: Final answer
    x = 359,248,639.76

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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.