Home / 1,319,461,830.72-1,821,174,451.20-755,273,764.32

Finding the Fourth Proportional to 1,319,461,830.72, 1,821,174,451.20 and 755,273,764.32

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Solution

The fourth proportional to 1,319,461,830.72, 1,821,174,451.20 and 755,273,764.32 is: 1,042,459,320.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,461,830.72 : 1,821,174,451.20 = 755,273,764.32 : x
  2. Step 2: Convert to fraction form
    1,319,461,830.72/1,821,174,451.20 = 755,273,764.32/x
  3. Step 3: Cross multiply
    1,319,461,830.72x = 1,821,174,451.20 × 755,273,764.32
  4. Step 4: Simplify right side
    1,319,461,830.72x = 1,375,485,283,241,234,176
  5. Step 5: Solve for x
    x = 1,375,485,283,241,234,176/1,319,461,830.72
  6. Step 6: Final answer
    x = 1,042,459,320.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.