Home / 636,965,742,675.46-879,012,691,275.02-343,990,637,299.48

Finding the Fourth Proportional to 636,965,742,675.46, 879,012,691,275.02 and 343,990,637,299.48

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Solution

The fourth proportional to 636,965,742,675.46, 879,012,691,275.02 and 343,990,637,299.48 is: 474,707,061,318.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,965,742,675.46 : 879,012,691,275.02 = 343,990,637,299.48 : x
  2. Step 2: Convert to fraction form
    636,965,742,675.46/879,012,691,275.02 = 343,990,637,299.48/x
  3. Step 3: Cross multiply
    636,965,742,675.46x = 879,012,691,275.02 × 343,990,637,299.48
  4. Step 4: Simplify right side
    636,965,742,675.46x = 302,372,135,866,025,214,214,144
  5. Step 5: Solve for x
    x = 302,372,135,866,025,214,214,144/636,965,742,675.46
  6. Step 6: Final answer
    x = 474,707,061,318.50

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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.