Home / 776,440,043.82-1,165,238,500.14-569,712,652.60

Finding the Fourth Proportional to 776,440,043.82, 1,165,238,500.14 and 569,712,652.60

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Solution

The fourth proportional to 776,440,043.82, 1,165,238,500.14 and 569,712,652.60 is: 854,993,404.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,440,043.82 : 1,165,238,500.14 = 569,712,652.60 : x
  2. Step 2: Convert to fraction form
    776,440,043.82/1,165,238,500.14 = 569,712,652.60/x
  3. Step 3: Cross multiply
    776,440,043.82x = 1,165,238,500.14 × 569,712,652.60
  4. Step 4: Simplify right side
    776,440,043.82x = 663,851,116,826,404,992
  5. Step 5: Solve for x
    x = 663,851,116,826,404,992/776,440,043.82
  6. Step 6: Final answer
    x = 854,993,404.98

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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.