Home / 1,991,605,431.96-2,749,655,857.32-1,267,801,754.22

Finding the Fourth Proportional to 1,991,605,431.96, 2,749,655,857.32 and 1,267,801,754.22

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Solution

The fourth proportional to 1,991,605,431.96, 2,749,655,857.32 and 1,267,801,754.22 is: 1,750,356,000.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,991,605,431.96 : 2,749,655,857.32 = 1,267,801,754.22 : x
  2. Step 2: Convert to fraction form
    1,991,605,431.96/2,749,655,857.32 = 1,267,801,754.22/x
  3. Step 3: Cross multiply
    1,991,605,431.96x = 2,749,655,857.32 × 1,267,801,754.22
  4. Step 4: Simplify right side
    1,991,605,431.96x = 3,486,018,519,411,594,240
  5. Step 5: Solve for x
    x = 3,486,018,519,411,594,240/1,991,605,431.96
  6. Step 6: Final answer
    x = 1,750,356,000.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.