Home / 1,259,596,920.40-1,888,009,697.40-441,288,005.20

Finding the Fourth Proportional to 1,259,596,920.40, 1,888,009,697.40 and 441,288,005.20

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Solution

The fourth proportional to 1,259,596,920.40, 1,888,009,697.40 and 441,288,005.20 is: 661,446,546.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,596,920.40 : 1,888,009,697.40 = 441,288,005.20 : x
  2. Step 2: Convert to fraction form
    1,259,596,920.40/1,888,009,697.40 = 441,288,005.20/x
  3. Step 3: Cross multiply
    1,259,596,920.40x = 1,888,009,697.40 × 441,288,005.20
  4. Step 4: Simplify right side
    1,259,596,920.40x = 833,156,033,163,901,696
  5. Step 5: Solve for x
    x = 833,156,033,163,901,696/1,259,596,920.40
  6. Step 6: Final answer
    x = 661,446,546.65

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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.