Home / 1,545,285,319.13-2,317,942,326.74-439,890,137.24

Finding the Fourth Proportional to 1,545,285,319.13, 2,317,942,326.74 and 439,890,137.24

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Solution

The fourth proportional to 1,545,285,319.13, 2,317,942,326.74 and 439,890,137.24 is: 659,839,290.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,285,319.13 : 2,317,942,326.74 = 439,890,137.24 : x
  2. Step 2: Convert to fraction form
    1,545,285,319.13/2,317,942,326.74 = 439,890,137.24/x
  3. Step 3: Cross multiply
    1,545,285,319.13x = 2,317,942,326.74 × 439,890,137.24
  4. Step 4: Simplify right side
    1,545,285,319.13x = 1,019,639,968,210,274,432
  5. Step 5: Solve for x
    x = 1,019,639,968,210,274,432/1,545,285,319.13
  6. Step 6: Final answer
    x = 659,839,290.25

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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.