Home / 531,465,271.11-797,127,916.32-157,965,183.81

Finding the Fourth Proportional to 531,465,271.11, 797,127,916.32 and 157,965,183.81

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Solution

The fourth proportional to 531,465,271.11, 797,127,916.32 and 157,965,183.81 is: 236,926,972.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,465,271.11 : 797,127,916.32 = 157,965,183.81 : x
  2. Step 2: Convert to fraction form
    531,465,271.11/797,127,916.32 = 157,965,183.81/x
  3. Step 3: Cross multiply
    531,465,271.11x = 797,127,916.32 × 157,965,183.81
  4. Step 4: Simplify right side
    531,465,271.11x = 125,918,457,821,571,104
  5. Step 5: Solve for x
    x = 125,918,457,821,571,104/531,465,271.11
  6. Step 6: Final answer
    x = 236,926,972.78

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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.