Home / 849,493,272.24-1,172,359,635.03-514,979,893.76

Finding the Fourth Proportional to 849,493,272.24, 1,172,359,635.03 and 514,979,893.76

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Solution

The fourth proportional to 849,493,272.24, 1,172,359,635.03 and 514,979,893.76 is: 710,707,971.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,493,272.24 : 1,172,359,635.03 = 514,979,893.76 : x
  2. Step 2: Convert to fraction form
    849,493,272.24/1,172,359,635.03 = 514,979,893.76/x
  3. Step 3: Cross multiply
    849,493,272.24x = 1,172,359,635.03 × 514,979,893.76
  4. Step 4: Simplify right side
    849,493,272.24x = 603,741,640,290,400,000
  5. Step 5: Solve for x
    x = 603,741,640,290,400,000/849,493,272.24
  6. Step 6: Final answer
    x = 710,707,971.47

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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.