Home / 1,784,766,969.60-2,463,038,157.48-991,846,368.72

Finding the Fourth Proportional to 1,784,766,969.60, 2,463,038,157.48 and 991,846,368.72

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Solution

The fourth proportional to 1,784,766,969.60, 2,463,038,157.48 and 991,846,368.72 is: 1,368,781,187.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,784,766,969.60 : 2,463,038,157.48 = 991,846,368.72 : x
  2. Step 2: Convert to fraction form
    1,784,766,969.60/2,463,038,157.48 = 991,846,368.72/x
  3. Step 3: Cross multiply
    1,784,766,969.60x = 2,463,038,157.48 × 991,846,368.72
  4. Step 4: Simplify right side
    1,784,766,969.60x = 2,442,955,452,515,337,728
  5. Step 5: Solve for x
    x = 2,442,955,452,515,337,728/1,784,766,969.60
  6. Step 6: Final answer
    x = 1,368,781,187.76

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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.