Home / 2,118,971,151.20-3,178,456,726.80-2,118,971,151.20

Finding the Fourth Proportional to 2,118,971,151.20, 3,178,456,726.80 and 2,118,971,151.20

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Solution

The fourth proportional to 2,118,971,151.20, 3,178,456,726.80 and 2,118,971,151.20 is: 3,178,456,726.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,971,151.20 : 3,178,456,726.80 = 2,118,971,151.20 : x
  2. Step 2: Convert to fraction form
    2,118,971,151.20/3,178,456,726.80 = 2,118,971,151.20/x
  3. Step 3: Cross multiply
    2,118,971,151.20x = 3,178,456,726.80 × 2,118,971,151.20
  4. Step 4: Simplify right side
    2,118,971,151.20x = 6,735,058,109,426,780,160
  5. Step 5: Solve for x
    x = 6,735,058,109,426,780,160/2,118,971,151.20
  6. Step 6: Final answer
    x = 3,178,456,726.80

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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.