Home / 472,393,314.30-708,589,971.45-442,160,226.30

Finding the Fourth Proportional to 472,393,314.30, 708,589,971.45 and 442,160,226.30

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Solution

The fourth proportional to 472,393,314.30, 708,589,971.45 and 442,160,226.30 is: 663,240,339.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,314.30 : 708,589,971.45 = 442,160,226.30 : x
  2. Step 2: Convert to fraction form
    472,393,314.30/708,589,971.45 = 442,160,226.30/x
  3. Step 3: Cross multiply
    472,393,314.30x = 708,589,971.45 × 442,160,226.30
  4. Step 4: Simplify right side
    472,393,314.30x = 313,310,302,130,242,560
  5. Step 5: Solve for x
    x = 313,310,302,130,242,560/472,393,314.30
  6. Step 6: Final answer
    x = 663,240,339.45

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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.