Home / 2,878,692,790.80-4,318,039,153.80-697,658,926.80

Finding the Fourth Proportional to 2,878,692,790.80, 4,318,039,153.80 and 697,658,926.80

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Solution

The fourth proportional to 2,878,692,790.80, 4,318,039,153.80 and 697,658,926.80 is: 1,046,488,382.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878,692,790.80 : 4,318,039,153.80 = 697,658,926.80 : x
  2. Step 2: Convert to fraction form
    2,878,692,790.80/4,318,039,153.80 = 697,658,926.80/x
  3. Step 3: Cross multiply
    2,878,692,790.80x = 4,318,039,153.80 × 697,658,926.80
  4. Step 4: Simplify right side
    2,878,692,790.80x = 3,012,518,561,920,487,936
  5. Step 5: Solve for x
    x = 3,012,518,561,920,487,936/2,878,692,790.80
  6. Step 6: Final answer
    x = 1,046,488,382.35

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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.