Home / 1,043,844,672.90-1,565,519,790.87-389,103,062.34

Finding the Fourth Proportional to 1,043,844,672.90, 1,565,519,790.87 and 389,103,062.34

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Solution

The fourth proportional to 1,043,844,672.90, 1,565,519,790.87 and 389,103,062.34 is: 583,562,440.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,844,672.90 : 1,565,519,790.87 = 389,103,062.34 : x
  2. Step 2: Convert to fraction form
    1,043,844,672.90/1,565,519,790.87 = 389,103,062.34/x
  3. Step 3: Cross multiply
    1,043,844,672.90x = 1,565,519,790.87 × 389,103,062.34
  4. Step 4: Simplify right side
    1,043,844,672.90x = 609,148,544,781,393,280
  5. Step 5: Solve for x
    x = 609,148,544,781,393,280/1,043,844,672.90
  6. Step 6: Final answer
    x = 583,562,440.46

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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.