Home / 1,578,429,047.20-2,367,643,570.80-413,895,287.20

Finding the Fourth Proportional to 1,578,429,047.20, 2,367,643,570.80 and 413,895,287.20

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Solution

The fourth proportional to 1,578,429,047.20, 2,367,643,570.80 and 413,895,287.20 is: 620,842,930.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,429,047.20 : 2,367,643,570.80 = 413,895,287.20 : x
  2. Step 2: Convert to fraction form
    1,578,429,047.20/2,367,643,570.80 = 413,895,287.20/x
  3. Step 3: Cross multiply
    1,578,429,047.20x = 2,367,643,570.80 × 413,895,287.20
  4. Step 4: Simplify right side
    1,578,429,047.20x = 979,956,515,723,499,648
  5. Step 5: Solve for x
    x = 979,956,515,723,499,648/1,578,429,047.20
  6. Step 6: Final answer
    x = 620,842,930.80

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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.