Home / 2,878,692,778.05-4,318,039,134.68-697,658,914.05

Finding the Fourth Proportional to 2,878,692,778.05, 4,318,039,134.68 and 697,658,914.05

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Solution

The fourth proportional to 2,878,692,778.05, 4,318,039,134.68 and 697,658,914.05 is: 1,046,488,363.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878,692,778.05 : 4,318,039,134.68 = 697,658,914.05 : x
  2. Step 2: Convert to fraction form
    2,878,692,778.05/4,318,039,134.68 = 697,658,914.05/x
  3. Step 3: Cross multiply
    2,878,692,778.05x = 4,318,039,134.68 × 697,658,914.05
  4. Step 4: Simplify right side
    2,878,692,778.05x = 3,012,518,493,526,250,496
  5. Step 5: Solve for x
    x = 3,012,518,493,526,250,496/2,878,692,778.05
  6. Step 6: Final answer
    x = 1,046,488,363.22

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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.