Home / 2,621,038,045.20-3,931,557,067.80-1,243,542,973.20

Finding the Fourth Proportional to 2,621,038,045.20, 3,931,557,067.80 and 1,243,542,973.20

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Solution

The fourth proportional to 2,621,038,045.20, 3,931,557,067.80 and 1,243,542,973.20 is: 1,865,314,459.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621,038,045.20 : 3,931,557,067.80 = 1,243,542,973.20 : x
  2. Step 2: Convert to fraction form
    2,621,038,045.20/3,931,557,067.80 = 1,243,542,973.20/x
  3. Step 3: Cross multiply
    2,621,038,045.20x = 3,931,557,067.80 × 1,243,542,973.20
  4. Step 4: Simplify right side
    2,621,038,045.20x = 4,889,060,165,397,486,592
  5. Step 5: Solve for x
    x = 4,889,060,165,397,486,592/2,621,038,045.20
  6. Step 6: Final answer
    x = 1,865,314,459.80

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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.