Home / 1,260,157,288.80-1,890,235,933.20-340,032,151.20

Finding the Fourth Proportional to 1,260,157,288.80, 1,890,235,933.20 and 340,032,151.20

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Solution

The fourth proportional to 1,260,157,288.80, 1,890,235,933.20 and 340,032,151.20 is: 510,048,226.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,157,288.80 : 1,890,235,933.20 = 340,032,151.20 : x
  2. Step 2: Convert to fraction form
    1,260,157,288.80/1,890,235,933.20 = 340,032,151.20/x
  3. Step 3: Cross multiply
    1,260,157,288.80x = 1,890,235,933.20 × 340,032,151.20
  4. Step 4: Simplify right side
    1,260,157,288.80x = 642,740,990,641,535,488
  5. Step 5: Solve for x
    x = 642,740,990,641,535,488/1,260,157,288.80
  6. Step 6: Final answer
    x = 510,048,226.80

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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.