Home / 1,010,394,006.90-1,515,591,010.35-575,037,539.70

Finding the Fourth Proportional to 1,010,394,006.90, 1,515,591,010.35 and 575,037,539.70

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Solution

The fourth proportional to 1,010,394,006.90, 1,515,591,010.35 and 575,037,539.70 is: 862,556,309.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,394,006.90 : 1,515,591,010.35 = 575,037,539.70 : x
  2. Step 2: Convert to fraction form
    1,010,394,006.90/1,515,591,010.35 = 575,037,539.70/x
  3. Step 3: Cross multiply
    1,010,394,006.90x = 1,515,591,010.35 × 575,037,539.70
  4. Step 4: Simplify right side
    1,010,394,006.90x = 871,521,725,783,101,312
  5. Step 5: Solve for x
    x = 871,521,725,783,101,312/1,010,394,006.90
  6. Step 6: Final answer
    x = 862,556,309.55

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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.