Home / 1,123,532,852.68-1,685,965,065-625,959,840.79

Finding the Fourth Proportional to 1,123,532,852.68, 1,685,965,065 and 625,959,840.79

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Solution

The fourth proportional to 1,123,532,852.68, 1,685,965,065 and 625,959,840.79 is: 939,310,694.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,532,852.68 : 1,685,965,065 = 625,959,840.79 : x
  2. Step 2: Convert to fraction form
    1,123,532,852.68/1,685,965,065 = 625,959,840.79/x
  3. Step 3: Cross multiply
    1,123,532,852.68x = 1,685,965,065 × 625,959,840.79
  4. Step 4: Simplify right side
    1,123,532,852.68x = 1,055,346,423,664,901,888
  5. Step 5: Solve for x
    x = 1,055,346,423,664,901,888/1,123,532,852.68
  6. Step 6: Final answer
    x = 939,310,694.07

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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.