Home / 760,675,016.76-1,049,729,181.15-421,605,114.01

Finding the Fourth Proportional to 760,675,016.76, 1,049,729,181.15 and 421,605,114.01

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Solution

The fourth proportional to 760,675,016.76, 1,049,729,181.15 and 421,605,114.01 is: 581,813,759.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,675,016.76 : 1,049,729,181.15 = 421,605,114.01 : x
  2. Step 2: Convert to fraction form
    760,675,016.76/1,049,729,181.15 = 421,605,114.01/x
  3. Step 3: Cross multiply
    760,675,016.76x = 1,049,729,181.15 × 421,605,114.01
  4. Step 4: Simplify right side
    760,675,016.76x = 442,571,191,093,763,840
  5. Step 5: Solve for x
    x = 442,571,191,093,763,840/760,675,016.76
  6. Step 6: Final answer
    x = 581,813,759.28

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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.