Home / 348,213,143.79-480,262,131.18-215,979,994.17

Finding the Fourth Proportional to 348,213,143.79, 480,262,131.18 and 215,979,994.17

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Solution

The fourth proportional to 348,213,143.79, 480,262,131.18 and 215,979,994.17 is: 297,883,678.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,213,143.79 : 480,262,131.18 = 215,979,994.17 : x
  2. Step 2: Convert to fraction form
    348,213,143.79/480,262,131.18 = 215,979,994.17/x
  3. Step 3: Cross multiply
    348,213,143.79x = 480,262,131.18 × 215,979,994.17
  4. Step 4: Simplify right side
    348,213,143.79x = 103,727,012,292,328,176
  5. Step 5: Solve for x
    x = 103,727,012,292,328,176/348,213,143.79
  6. Step 6: Final answer
    x = 297,883,678.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.