Home / 1,860,408,041.70-2,790,612,062.55-1,601,915,139.30

Finding the Fourth Proportional to 1,860,408,041.70, 2,790,612,062.55 and 1,601,915,139.30

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Solution

The fourth proportional to 1,860,408,041.70, 2,790,612,062.55 and 1,601,915,139.30 is: 2,402,872,708.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860,408,041.70 : 2,790,612,062.55 = 1,601,915,139.30 : x
  2. Step 2: Convert to fraction form
    1,860,408,041.70/2,790,612,062.55 = 1,601,915,139.30/x
  3. Step 3: Cross multiply
    1,860,408,041.70x = 2,790,612,062.55 × 1,601,915,139.30
  4. Step 4: Simplify right side
    1,860,408,041.70x = 4,470,323,710,912,043,520
  5. Step 5: Solve for x
    x = 4,470,323,710,912,043,520/1,860,408,041.70
  6. Step 6: Final answer
    x = 2,402,872,708.95

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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.