Home / 1,665,114,098.55-2,497,675,405.84-421,544,695.47

Finding the Fourth Proportional to 1,665,114,098.55, 2,497,675,405.84 and 421,544,695.47

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Solution

The fourth proportional to 1,665,114,098.55, 2,497,675,405.84 and 421,544,695.47 is: 632,318,121.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,114,098.55 : 2,497,675,405.84 = 421,544,695.47 : x
  2. Step 2: Convert to fraction form
    1,665,114,098.55/2,497,675,405.84 = 421,544,695.47/x
  3. Step 3: Cross multiply
    1,665,114,098.55x = 2,497,675,405.84 × 421,544,695.47
  4. Step 4: Simplify right side
    1,665,114,098.55x = 1,052,881,818,327,311,360
  5. Step 5: Solve for x
    x = 1,052,881,818,327,311,360/1,665,114,098.55
  6. Step 6: Final answer
    x = 632,318,121.17

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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.