Home / 521,346,627.60-782,855,525.40-414,529,501.20

Finding the Fourth Proportional to 521,346,627.60, 782,855,525.40 and 414,529,501.20

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Solution

The fourth proportional to 521,346,627.60, 782,855,525.40 and 414,529,501.20 is: 622,458,635.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,346,627.60 : 782,855,525.40 = 414,529,501.20 : x
  2. Step 2: Convert to fraction form
    521,346,627.60/782,855,525.40 = 414,529,501.20/x
  3. Step 3: Cross multiply
    521,346,627.60x = 782,855,525.40 × 414,529,501.20
  4. Step 4: Simplify right side
    521,346,627.60x = 324,516,710,455,725,888
  5. Step 5: Solve for x
    x = 324,516,710,455,725,888/521,346,627.60
  6. Step 6: Final answer
    x = 622,458,635.53

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1.5x scale

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.