Home / 31,178,058,454.80-46,767,087,682.20-18,749,991,805.20

Finding the Fourth Proportional to 31,178,058,454.80, 46,767,087,682.20 and 18,749,991,805.20

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Solution

The fourth proportional to 31,178,058,454.80, 46,767,087,682.20 and 18,749,991,805.20 is: 28,124,987,707.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,178,058,454.80 : 46,767,087,682.20 = 18,749,991,805.20 : x
  2. Step 2: Convert to fraction form
    31,178,058,454.80/46,767,087,682.20 = 18,749,991,805.20/x
  3. Step 3: Cross multiply
    31,178,058,454.80x = 46,767,087,682.20 × 18,749,991,805.20
  4. Step 4: Simplify right side
    31,178,058,454.80x = 876,882,510,794,319,855,616
  5. Step 5: Solve for x
    x = 876,882,510,794,319,855,616/31,178,058,454.80
  6. Step 6: Final answer
    x = 28,124,987,707.80

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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.