Home / 1,556,611,690.95-2,148,172,317.50-851,793,379.11

Finding the Fourth Proportional to 1,556,611,690.95, 2,148,172,317.50 and 851,793,379.11

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Solution

The fourth proportional to 1,556,611,690.95, 2,148,172,317.50 and 851,793,379.11 is: 1,175,501,229.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,611,690.95 : 2,148,172,317.50 = 851,793,379.11 : x
  2. Step 2: Convert to fraction form
    1,556,611,690.95/2,148,172,317.50 = 851,793,379.11/x
  3. Step 3: Cross multiply
    1,556,611,690.95x = 2,148,172,317.50 × 851,793,379.11
  4. Step 4: Simplify right side
    1,556,611,690.95x = 1,829,798,957,229,625,856
  5. Step 5: Solve for x
    x = 1,829,798,957,229,625,856/1,556,611,690.95
  6. Step 6: Final answer
    x = 1,175,501,229.93

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1.5x scale

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.