Home / 2,019,121,432.40-3,028,965,583.80-638,792,008.40

Finding the Fourth Proportional to 2,019,121,432.40, 3,028,965,583.80 and 638,792,008.40

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Solution

The fourth proportional to 2,019,121,432.40, 3,028,965,583.80 and 638,792,008.40 is: 958,277,683.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019,121,432.40 : 3,028,965,583.80 = 638,792,008.40 : x
  2. Step 2: Convert to fraction form
    2,019,121,432.40/3,028,965,583.80 = 638,792,008.40/x
  3. Step 3: Cross multiply
    2,019,121,432.40x = 3,028,965,583.80 × 638,792,008.40
  4. Step 4: Simplify right side
    2,019,121,432.40x = 1,934,879,008,650,080,512
  5. Step 5: Solve for x
    x = 1,934,879,008,650,080,512/2,019,121,432.40
  6. Step 6: Final answer
    x = 958,277,683.35

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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.