Home / 1,637,181,350.80-2,455,878,314.40-862,340,372.80

Finding the Fourth Proportional to 1,637,181,350.80, 2,455,878,314.40 and 862,340,372.80

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Solution

The fourth proportional to 1,637,181,350.80, 2,455,878,314.40 and 862,340,372.80 is: 1,293,566,543.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,181,350.80 : 2,455,878,314.40 = 862,340,372.80 : x
  2. Step 2: Convert to fraction form
    1,637,181,350.80/2,455,878,314.40 = 862,340,372.80/x
  3. Step 3: Cross multiply
    1,637,181,350.80x = 2,455,878,314.40 × 862,340,372.80
  4. Step 4: Simplify right side
    1,637,181,350.80x = 2,117,803,021,191,131,648
  5. Step 5: Solve for x
    x = 2,117,803,021,191,131,648/1,637,181,350.80
  6. Step 6: Final answer
    x = 1,293,566,543.59

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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.