Home / 1,863,377,447.60-2,792,692,401.60-990,397,031.60

Finding the Fourth Proportional to 1,863,377,447.60, 2,792,692,401.60 and 990,397,031.60

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Solution

The fourth proportional to 1,863,377,447.60, 2,792,692,401.60 and 990,397,031.60 is: 1,484,333,873.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,863,377,447.60 : 2,792,692,401.60 = 990,397,031.60 : x
  2. Step 2: Convert to fraction form
    1,863,377,447.60/2,792,692,401.60 = 990,397,031.60/x
  3. Step 3: Cross multiply
    1,863,377,447.60x = 2,792,692,401.60 × 990,397,031.60
  4. Step 4: Simplify right side
    1,863,377,447.60x = 2,765,874,264,716,514,816
  5. Step 5: Solve for x
    x = 2,765,874,264,716,514,816/1,863,377,447.60
  6. Step 6: Final answer
    x = 1,484,333,873.57

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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.