Home / 803,468,261.83-1,108,781,745.18-451,044,159.37

Finding the Fourth Proportional to 803,468,261.83, 1,108,781,745.18 and 451,044,159.37

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Solution

The fourth proportional to 803,468,261.83, 1,108,781,745.18 and 451,044,159.37 is: 622,438,438.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,468,261.83 : 1,108,781,745.18 = 451,044,159.37 : x
  2. Step 2: Convert to fraction form
    803,468,261.83/1,108,781,745.18 = 451,044,159.37/x
  3. Step 3: Cross multiply
    803,468,261.83x = 1,108,781,745.18 × 451,044,159.37
  4. Step 4: Simplify right side
    803,468,261.83x = 500,109,530,179,514,688
  5. Step 5: Solve for x
    x = 500,109,530,179,514,688/803,468,261.83
  6. Step 6: Final answer
    x = 622,438,438.38

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1.5x scale

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.