Home / 1,157,238,961.12-1,596,988,552.68-628,603,366.96

Finding the Fourth Proportional to 1,157,238,961.12, 1,596,988,552.68 and 628,603,366.96

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Solution

The fourth proportional to 1,157,238,961.12, 1,596,988,552.68 and 628,603,366.96 is: 867,471,987.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,238,961.12 : 1,596,988,552.68 = 628,603,366.96 : x
  2. Step 2: Convert to fraction form
    1,157,238,961.12/1,596,988,552.68 = 628,603,366.96/x
  3. Step 3: Cross multiply
    1,157,238,961.12x = 1,596,988,552.68 × 628,603,366.96
  4. Step 4: Simplify right side
    1,157,238,961.12x = 1,003,872,381,211,225,472
  5. Step 5: Solve for x
    x = 1,003,872,381,211,225,472/1,157,238,961.12
  6. Step 6: Final answer
    x = 867,471,987.15

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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.