Home / 480,048,091.80-720,072,137.70-472,395,341.40

Finding the Fourth Proportional to 480,048,091.80, 720,072,137.70 and 472,395,341.40

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Solution

The fourth proportional to 480,048,091.80, 720,072,137.70 and 472,395,341.40 is: 708,593,012.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,048,091.80 : 720,072,137.70 = 472,395,341.40 : x
  2. Step 2: Convert to fraction form
    480,048,091.80/720,072,137.70 = 472,395,341.40/x
  3. Step 3: Cross multiply
    480,048,091.80x = 720,072,137.70 × 472,395,341.40
  4. Step 4: Simplify right side
    480,048,091.80x = 340,158,723,321,419,328
  5. Step 5: Solve for x
    x = 340,158,723,321,419,328/480,048,091.80
  6. Step 6: Final answer
    x = 708,593,012.10

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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.