Home / 826,774,037.15-1,140,944,730.33-450,429,453.24

Finding the Fourth Proportional to 826,774,037.15, 1,140,944,730.33 and 450,429,453.24

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Solution

The fourth proportional to 826,774,037.15, 1,140,944,730.33 and 450,429,453.24 is: 621,590,770.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,774,037.15 : 1,140,944,730.33 = 450,429,453.24 : x
  2. Step 2: Convert to fraction form
    826,774,037.15/1,140,944,730.33 = 450,429,453.24/x
  3. Step 3: Cross multiply
    826,774,037.15x = 1,140,944,730.33 × 450,429,453.24
  4. Step 4: Simplify right side
    826,774,037.15x = 513,915,111,059,601,152
  5. Step 5: Solve for x
    x = 513,915,111,059,601,152/826,774,037.15
  6. Step 6: Final answer
    x = 621,590,770.84

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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.