Home / 1,104,753,147.51-1,657,348,022.72-405,251,778.83

Finding the Fourth Proportional to 1,104,753,147.51, 1,657,348,022.72 and 405,251,778.83

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Solution

The fourth proportional to 1,104,753,147.51, 1,657,348,022.72 and 405,251,778.83 is: 607,957,746.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104,753,147.51 : 1,657,348,022.72 = 405,251,778.83 : x
  2. Step 2: Convert to fraction form
    1,104,753,147.51/1,657,348,022.72 = 405,251,778.83/x
  3. Step 3: Cross multiply
    1,104,753,147.51x = 1,657,348,022.72 × 405,251,778.83
  4. Step 4: Simplify right side
    1,104,753,147.51x = 671,643,234,349,780,352
  5. Step 5: Solve for x
    x = 671,643,234,349,780,352/1,104,753,147.51
  6. Step 6: Final answer
    x = 607,957,746.82

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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.