Home / 826,595,396.10-1,140,701,709.06-455,317,427.52

Finding the Fourth Proportional to 826,595,396.10, 1,140,701,709.06 and 455,317,427.52

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Solution

The fourth proportional to 826,595,396.10, 1,140,701,709.06 and 455,317,427.52 is: 628,338,084.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,595,396.10 : 1,140,701,709.06 = 455,317,427.52 : x
  2. Step 2: Convert to fraction form
    826,595,396.10/1,140,701,709.06 = 455,317,427.52/x
  3. Step 3: Cross multiply
    826,595,396.10x = 1,140,701,709.06 × 455,317,427.52
  4. Step 4: Simplify right side
    826,595,396.10x = 519,381,367,736,866,624
  5. Step 5: Solve for x
    x = 519,381,367,736,866,624/826,595,396.10
  6. Step 6: Final answer
    x = 628,338,084.37

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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.