Home / 1,123,532,852.43-1,685,965,064.63-625,959,840.54

Finding the Fourth Proportional to 1,123,532,852.43, 1,685,965,064.63 and 625,959,840.54

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Solution

The fourth proportional to 1,123,532,852.43, 1,685,965,064.63 and 625,959,840.54 is: 939,310,693.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,532,852.43 : 1,685,965,064.63 = 625,959,840.54 : x
  2. Step 2: Convert to fraction form
    1,123,532,852.43/1,685,965,064.63 = 625,959,840.54/x
  3. Step 3: Cross multiply
    1,123,532,852.43x = 1,685,965,064.63 × 625,959,840.54
  4. Step 4: Simplify right side
    1,123,532,852.43x = 1,055,346,423,008,675,712
  5. Step 5: Solve for x
    x = 1,055,346,423,008,675,712/1,123,532,852.43
  6. Step 6: Final answer
    x = 939,310,693.70

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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.