Home / 1,455,337,532.40-2,183,006,298.60-420,303,040.80

Finding the Fourth Proportional to 1,455,337,532.40, 2,183,006,298.60 and 420,303,040.80

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Solution

The fourth proportional to 1,455,337,532.40, 2,183,006,298.60 and 420,303,040.80 is: 630,454,561.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,337,532.40 : 2,183,006,298.60 = 420,303,040.80 : x
  2. Step 2: Convert to fraction form
    1,455,337,532.40/2,183,006,298.60 = 420,303,040.80/x
  3. Step 3: Cross multiply
    1,455,337,532.40x = 2,183,006,298.60 × 420,303,040.80
  4. Step 4: Simplify right side
    1,455,337,532.40x = 917,524,185,387,132,800
  5. Step 5: Solve for x
    x = 917,524,185,387,132,800/1,455,337,532.40
  6. Step 6: Final answer
    x = 630,454,561.20

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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.