Home / 972,695,441.49-1,459,132,856.19-317,649,900.81

Finding the Fourth Proportional to 972,695,441.49, 1,459,132,856.19 and 317,649,900.81

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Solution

The fourth proportional to 972,695,441.49, 1,459,132,856.19 and 317,649,900.81 is: 476,504,142.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,695,441.49 : 1,459,132,856.19 = 317,649,900.81 : x
  2. Step 2: Convert to fraction form
    972,695,441.49/1,459,132,856.19 = 317,649,900.81/x
  3. Step 3: Cross multiply
    972,695,441.49x = 1,459,132,856.19 × 317,649,900.81
  4. Step 4: Simplify right side
    972,695,441.49x = 463,493,407,037,365,504
  5. Step 5: Solve for x
    x = 463,493,407,037,365,504/972,695,441.49
  6. Step 6: Final answer
    x = 476,504,142.27

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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.