Home / 1,296,471,431.08-1,944,712,132.98-313,896,333.52

Finding the Fourth Proportional to 1,296,471,431.08, 1,944,712,132.98 and 313,896,333.52

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Solution

The fourth proportional to 1,296,471,431.08, 1,944,712,132.98 and 313,896,333.52 is: 470,845,707.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,471,431.08 : 1,944,712,132.98 = 313,896,333.52 : x
  2. Step 2: Convert to fraction form
    1,296,471,431.08/1,944,712,132.98 = 313,896,333.52/x
  3. Step 3: Cross multiply
    1,296,471,431.08x = 1,944,712,132.98 × 313,896,333.52
  4. Step 4: Simplify right side
    1,296,471,431.08x = 610,438,008,294,280,704
  5. Step 5: Solve for x
    x = 610,438,008,294,280,704/1,296,471,431.08
  6. Step 6: Final answer
    x = 470,845,707.56

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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.