Home / 831,619,773-1,147,451,813.55-492,359,790.06

Finding the Fourth Proportional to 831,619,773, 1,147,451,813.55 and 492,359,790.06

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Solution

The fourth proportional to 831,619,773, 1,147,451,813.55 and 492,359,790.06 is: 679,347,885.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,619,773 : 1,147,451,813.55 = 492,359,790.06 : x
  2. Step 2: Convert to fraction form
    831,619,773/1,147,451,813.55 = 492,359,790.06/x
  3. Step 3: Cross multiply
    831,619,773x = 1,147,451,813.55 × 492,359,790.06
  4. Step 4: Simplify right side
    831,619,773x = 564,959,134,023,444,224
  5. Step 5: Solve for x
    x = 564,959,134,023,444,224/831,619,773
  6. Step 6: Final answer
    x = 679,347,885.13

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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.