Home / 1,145,468,703.60-1,718,302,028.28-316,422,055.92

Finding the Fourth Proportional to 1,145,468,703.60, 1,718,302,028.28 and 316,422,055.92

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Solution

The fourth proportional to 1,145,468,703.60, 1,718,302,028.28 and 316,422,055.92 is: 474,660,423.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,468,703.60 : 1,718,302,028.28 = 316,422,055.92 : x
  2. Step 2: Convert to fraction form
    1,145,468,703.60/1,718,302,028.28 = 316,422,055.92/x
  3. Step 3: Cross multiply
    1,145,468,703.60x = 1,718,302,028.28 × 316,422,055.92
  4. Step 4: Simplify right side
    1,145,468,703.60x = 543,708,660,479,863,616
  5. Step 5: Solve for x
    x = 543,708,660,479,863,616/1,145,468,703.60
  6. Step 6: Final answer
    x = 474,660,423.96

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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.