Home / 417,418,809.60-626,128,214.40-262,222,291.20

Finding the Fourth Proportional to 417,418,809.60, 626,128,214.40 and 262,222,291.20

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Solution

The fourth proportional to 417,418,809.60, 626,128,214.40 and 262,222,291.20 is: 393,333,436.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,418,809.60 : 626,128,214.40 = 262,222,291.20 : x
  2. Step 2: Convert to fraction form
    417,418,809.60/626,128,214.40 = 262,222,291.20/x
  3. Step 3: Cross multiply
    417,418,809.60x = 626,128,214.40 × 262,222,291.20
  4. Step 4: Simplify right side
    417,418,809.60x = 164,184,774,964,932,832
  5. Step 5: Solve for x
    x = 164,184,774,964,932,832/417,418,809.60
  6. Step 6: Final answer
    x = 393,333,436.80

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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.