Home / 472,393,726.80-708,590,590.20-242,811,214.80

Finding the Fourth Proportional to 472,393,726.80, 708,590,590.20 and 242,811,214.80

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Solution

The fourth proportional to 472,393,726.80, 708,590,590.20 and 242,811,214.80 is: 364,216,822.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,726.80 : 708,590,590.20 = 242,811,214.80 : x
  2. Step 2: Convert to fraction form
    472,393,726.80/708,590,590.20 = 242,811,214.80/x
  3. Step 3: Cross multiply
    472,393,726.80x = 708,590,590.20 × 242,811,214.80
  4. Step 4: Simplify right side
    472,393,726.80x = 172,053,742,002,311,008
  5. Step 5: Solve for x
    x = 172,053,742,002,311,008/472,393,726.80
  6. Step 6: Final answer
    x = 364,216,822.20

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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.