Home / 740,611,686.92-1,022,054,016.40-406,083,361.66

Finding the Fourth Proportional to 740,611,686.92, 1,022,054,016.40 and 406,083,361.66

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Solution

The fourth proportional to 740,611,686.92, 1,022,054,016.40 and 406,083,361.66 is: 560,400,461.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,611,686.92 : 1,022,054,016.40 = 406,083,361.66 : x
  2. Step 2: Convert to fraction form
    740,611,686.92/1,022,054,016.40 = 406,083,361.66/x
  3. Step 3: Cross multiply
    740,611,686.92x = 1,022,054,016.40 × 406,083,361.66
  4. Step 4: Simplify right side
    740,611,686.92x = 415,039,130,774,246,464
  5. Step 5: Solve for x
    x = 415,039,130,774,246,464/740,611,686.92
  6. Step 6: Final answer
    x = 560,400,461.01

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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.