Home / 820,507,338.20-1,230,761,007.30-246,078,666.20

Finding the Fourth Proportional to 820,507,338.20, 1,230,761,007.30 and 246,078,666.20

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Solution

The fourth proportional to 820,507,338.20, 1,230,761,007.30 and 246,078,666.20 is: 369,117,999.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,507,338.20 : 1,230,761,007.30 = 246,078,666.20 : x
  2. Step 2: Convert to fraction form
    820,507,338.20/1,230,761,007.30 = 246,078,666.20/x
  3. Step 3: Cross multiply
    820,507,338.20x = 1,230,761,007.30 × 246,078,666.20
  4. Step 4: Simplify right side
    820,507,338.20x = 302,864,027,087,352,448
  5. Step 5: Solve for x
    x = 302,864,027,087,352,448/820,507,338.20
  6. Step 6: Final answer
    x = 369,117,999.30

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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.