Home / 979,900,408.40-1,468,150,001.40-826,845,400.40

Finding the Fourth Proportional to 979,900,408.40, 1,468,150,001.40 and 826,845,400.40

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Solution

The fourth proportional to 979,900,408.40, 1,468,150,001.40 and 826,845,400.40 is: 1,238,833,115.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,900,408.40 : 1,468,150,001.40 = 826,845,400.40 : x
  2. Step 2: Convert to fraction form
    979,900,408.40/1,468,150,001.40 = 826,845,400.40/x
  3. Step 3: Cross multiply
    979,900,408.40x = 1,468,150,001.40 × 826,845,400.40
  4. Step 4: Simplify right side
    979,900,408.40x = 1,213,933,075,754,843,648
  5. Step 5: Solve for x
    x = 1,213,933,075,754,843,648/979,900,408.40
  6. Step 6: Final answer
    x = 1,238,833,115.44

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1.5x scale

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.