Home / 1,863,377,484.10-2,792,692,456.35-990,397,068.10

Finding the Fourth Proportional to 1,863,377,484.10, 2,792,692,456.35 and 990,397,068.10

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Solution

The fourth proportional to 1,863,377,484.10, 2,792,692,456.35 and 990,397,068.10 is: 1,484,333,928.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,863,377,484.10 : 2,792,692,456.35 = 990,397,068.10 : x
  2. Step 2: Convert to fraction form
    1,863,377,484.10/2,792,692,456.35 = 990,397,068.10/x
  3. Step 3: Cross multiply
    1,863,377,484.10x = 2,792,692,456.35 × 990,397,068.10
  4. Step 4: Simplify right side
    1,863,377,484.10x = 2,765,874,420,874,027,008
  5. Step 5: Solve for x
    x = 2,765,874,420,874,027,008/1,863,377,484.10
  6. Step 6: Final answer
    x = 1,484,333,928.30

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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.