Home / 1,409,727,912.15-1,943,480,598.08-1,124,587,231.13

Finding the Fourth Proportional to 1,409,727,912.15, 1,943,480,598.08 and 1,124,587,231.13

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Solution

The fourth proportional to 1,409,727,912.15, 1,943,480,598.08 and 1,124,587,231.13 is: 1,550,379,648.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,727,912.15 : 1,943,480,598.08 = 1,124,587,231.13 : x
  2. Step 2: Convert to fraction form
    1,409,727,912.15/1,943,480,598.08 = 1,124,587,231.13/x
  3. Step 3: Cross multiply
    1,409,727,912.15x = 1,943,480,598.08 × 1,124,587,231.13
  4. Step 4: Simplify right side
    1,409,727,912.15x = 2,185,613,464,560,371,456
  5. Step 5: Solve for x
    x = 2,185,613,464,560,371,456/1,409,727,912.15
  6. Step 6: Final answer
    x = 1,550,379,648.25

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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.