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Finding the Fourth Proportional to 603,054,346.20, 904,581,519.30 and 603,054,346.20

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Solution

The fourth proportional to 603,054,346.20, 904,581,519.30 and 603,054,346.20 is: 904,581,519.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,054,346.20 : 904,581,519.30 = 603,054,346.20 : x
  2. Step 2: Convert to fraction form
    603,054,346.20/904,581,519.30 = 603,054,346.20/x
  3. Step 3: Cross multiply
    603,054,346.20x = 904,581,519.30 × 603,054,346.20
  4. Step 4: Simplify right side
    603,054,346.20x = 545,511,816,706,064,192
  5. Step 5: Solve for x
    x = 545,511,816,706,064,192/603,054,346.20
  6. Step 6: Final answer
    x = 904,581,519.30

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Double scale
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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.