Home / 2,543,570,102.93-3,815,537,385.69-678,206,027.21

Finding the Fourth Proportional to 2,543,570,102.93, 3,815,537,385.69 and 678,206,027.21

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Solution

The fourth proportional to 2,543,570,102.93, 3,815,537,385.69 and 678,206,027.21 is: 1,017,357,630.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,543,570,102.93 : 3,815,537,385.69 = 678,206,027.21 : x
  2. Step 2: Convert to fraction form
    2,543,570,102.93/3,815,537,385.69 = 678,206,027.21/x
  3. Step 3: Cross multiply
    2,543,570,102.93x = 3,815,537,385.69 × 678,206,027.21
  4. Step 4: Simplify right side
    2,543,570,102.93x = 2,587,720,452,000,967,168
  5. Step 5: Solve for x
    x = 2,587,720,452,000,967,168/2,543,570,102.93
  6. Step 6: Final answer
    x = 1,017,357,630.14

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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.