Home / 1,274,003,496.83-1,911,113,705.26-388,887,665.29

Finding the Fourth Proportional to 1,274,003,496.83, 1,911,113,705.26 and 388,887,665.29

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Solution

The fourth proportional to 1,274,003,496.83, 1,911,113,705.26 and 388,887,665.29 is: 583,364,605.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,003,496.83 : 1,911,113,705.26 = 388,887,665.29 : x
  2. Step 2: Convert to fraction form
    1,274,003,496.83/1,911,113,705.26 = 388,887,665.29/x
  3. Step 3: Cross multiply
    1,274,003,496.83x = 1,911,113,705.26 × 388,887,665.29
  4. Step 4: Simplify right side
    1,274,003,496.83x = 743,208,546,938,010,496
  5. Step 5: Solve for x
    x = 743,208,546,938,010,496/1,274,003,496.83
  6. Step 6: Final answer
    x = 583,364,605.19

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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.