Home / 636,965,742,682.20-879,012,691,284.30-343,990,637,306.22

Finding the Fourth Proportional to 636,965,742,682.20, 879,012,691,284.30 and 343,990,637,306.22

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Solution

The fourth proportional to 636,965,742,682.20, 879,012,691,284.30 and 343,990,637,306.22 is: 474,707,061,327.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,965,742,682.20 : 879,012,691,284.30 = 343,990,637,306.22 : x
  2. Step 2: Convert to fraction form
    636,965,742,682.20/879,012,691,284.30 = 343,990,637,306.22/x
  3. Step 3: Cross multiply
    636,965,742,682.20x = 879,012,691,284.30 × 343,990,637,306.22
  4. Step 4: Simplify right side
    636,965,742,682.20x = 302,372,135,875,141,953,388,544
  5. Step 5: Solve for x
    x = 302,372,135,875,141,953,388,544/636,965,742,682.20
  6. Step 6: Final answer
    x = 474,707,061,327.79

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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.