Home / 636,965,742,675.44-879,012,691,275.06-343,990,637,299.50

Finding the Fourth Proportional to 636,965,742,675.44, 879,012,691,275.06 and 343,990,637,299.50

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Solution

The fourth proportional to 636,965,742,675.44, 879,012,691,275.06 and 343,990,637,299.50 is: 474,707,061,318.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,965,742,675.44 : 879,012,691,275.06 = 343,990,637,299.50 : x
  2. Step 2: Convert to fraction form
    636,965,742,675.44/879,012,691,275.06 = 343,990,637,299.50/x
  3. Step 3: Cross multiply
    636,965,742,675.44x = 879,012,691,275.06 × 343,990,637,299.50
  4. Step 4: Simplify right side
    636,965,742,675.44x = 302,372,135,866,056,554,053,632
  5. Step 5: Solve for x
    x = 302,372,135,866,056,554,053,632/636,965,742,675.44
  6. Step 6: Final answer
    x = 474,707,061,318.57

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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.