Home / 1,345,247,131.60-2,017,870,697.40-825,993,845.20

Finding the Fourth Proportional to 1,345,247,131.60, 2,017,870,697.40 and 825,993,845.20

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Solution

The fourth proportional to 1,345,247,131.60, 2,017,870,697.40 and 825,993,845.20 is: 1,238,990,767.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,247,131.60 : 2,017,870,697.40 = 825,993,845.20 : x
  2. Step 2: Convert to fraction form
    1,345,247,131.60/2,017,870,697.40 = 825,993,845.20/x
  3. Step 3: Cross multiply
    1,345,247,131.60x = 2,017,870,697.40 × 825,993,845.20
  4. Step 4: Simplify right side
    1,345,247,131.60x = 1,666,748,776,461,831,936
  5. Step 5: Solve for x
    x = 1,666,748,776,461,831,936/1,345,247,131.60
  6. Step 6: Final answer
    x = 1,238,990,767.80

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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.