Home / 472,393,406.10-708,590,109.15-265,769,145.30

Finding the Fourth Proportional to 472,393,406.10, 708,590,109.15 and 265,769,145.30

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Solution

The fourth proportional to 472,393,406.10, 708,590,109.15 and 265,769,145.30 is: 398,653,717.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,406.10 : 708,590,109.15 = 265,769,145.30 : x
  2. Step 2: Convert to fraction form
    472,393,406.10/708,590,109.15 = 265,769,145.30/x
  3. Step 3: Cross multiply
    472,393,406.10x = 708,590,109.15 × 265,769,145.30
  4. Step 4: Simplify right side
    472,393,406.10x = 188,321,387,676,829,216
  5. Step 5: Solve for x
    x = 188,321,387,676,829,216/472,393,406.10
  6. Step 6: Final answer
    x = 398,653,717.95

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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.