Home / 2,989,550,479.20-4,484,325,718.80-2,839,896,693.60

Finding the Fourth Proportional to 2,989,550,479.20, 4,484,325,718.80 and 2,839,896,693.60

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Solution

The fourth proportional to 2,989,550,479.20, 4,484,325,718.80 and 2,839,896,693.60 is: 4,259,845,040.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,550,479.20 : 4,484,325,718.80 = 2,839,896,693.60 : x
  2. Step 2: Convert to fraction form
    2,989,550,479.20/4,484,325,718.80 = 2,839,896,693.60/x
  3. Step 3: Cross multiply
    2,989,550,479.20x = 4,484,325,718.80 × 2,839,896,693.60
  4. Step 4: Simplify right side
    2,989,550,479.20x = 12,735,021,781,845,563,392
  5. Step 5: Solve for x
    x = 12,735,021,781,845,563,392/2,989,550,479.20
  6. Step 6: Final answer
    x = 4,259,845,040.40

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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.