Home / 480,048,125.80-720,072,188.70-472,395,375.40

Finding the Fourth Proportional to 480,048,125.80, 720,072,188.70 and 472,395,375.40

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Solution

The fourth proportional to 480,048,125.80, 720,072,188.70 and 472,395,375.40 is: 708,593,063.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,048,125.80 : 720,072,188.70 = 472,395,375.40 : x
  2. Step 2: Convert to fraction form
    480,048,125.80/720,072,188.70 = 472,395,375.40/x
  3. Step 3: Cross multiply
    480,048,125.80x = 720,072,188.70 × 472,395,375.40
  4. Step 4: Simplify right side
    480,048,125.80x = 340,158,771,896,036,160
  5. Step 5: Solve for x
    x = 340,158,771,896,036,160/480,048,125.80
  6. Step 6: Final answer
    x = 708,593,063.10

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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.