Home / 1,318,536,053.61-1,819,512,932.65-782,710,622.30

Finding the Fourth Proportional to 1,318,536,053.61, 1,819,512,932.65 and 782,710,622.30

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Solution

The fourth proportional to 1,318,536,053.61, 1,819,512,932.65 and 782,710,622.30 is: 1,080,100,992.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,536,053.61 : 1,819,512,932.65 = 782,710,622.30 : x
  2. Step 2: Convert to fraction form
    1,318,536,053.61/1,819,512,932.65 = 782,710,622.30/x
  3. Step 3: Cross multiply
    1,318,536,053.61x = 1,819,512,932.65 × 782,710,622.30
  4. Step 4: Simplify right side
    1,318,536,053.61x = 1,424,152,099,804,432,896
  5. Step 5: Solve for x
    x = 1,424,152,099,804,432,896/1,318,536,053.61
  6. Step 6: Final answer
    x = 1,080,100,992.24

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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.