Home / 368,802,337.80-553,203,506.70-347,639,176.20

Finding the Fourth Proportional to 368,802,337.80, 553,203,506.70 and 347,639,176.20

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Solution

The fourth proportional to 368,802,337.80, 553,203,506.70 and 347,639,176.20 is: 521,458,764.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,802,337.80 : 553,203,506.70 = 347,639,176.20 : x
  2. Step 2: Convert to fraction form
    368,802,337.80/553,203,506.70 = 347,639,176.20/x
  3. Step 3: Cross multiply
    368,802,337.80x = 553,203,506.70 × 347,639,176.20
  4. Step 4: Simplify right side
    368,802,337.80x = 192,315,211,340,139,200
  5. Step 5: Solve for x
    x = 192,315,211,340,139,200/368,802,337.80
  6. Step 6: Final answer
    x = 521,458,764.30

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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.