Home / 1,260,520,124.45-1,890,450,163.56-374,966,886.77

Finding the Fourth Proportional to 1,260,520,124.45, 1,890,450,163.56 and 374,966,886.77

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Solution

The fourth proportional to 1,260,520,124.45, 1,890,450,163.56 and 374,966,886.77 is: 562,352,158.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,520,124.45 : 1,890,450,163.56 = 374,966,886.77 : x
  2. Step 2: Convert to fraction form
    1,260,520,124.45/1,890,450,163.56 = 374,966,886.77/x
  3. Step 3: Cross multiply
    1,260,520,124.45x = 1,890,450,163.56 × 374,966,886.77
  4. Step 4: Simplify right side
    1,260,520,124.45x = 708,856,212,431,498,240
  5. Step 5: Solve for x
    x = 708,856,212,431,498,240/1,260,520,124.45
  6. Step 6: Final answer
    x = 562,352,158.20

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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.