Home / 1,989,872,704-2,746,008,995.44-1,097,837,027.76

Finding the Fourth Proportional to 1,989,872,704, 2,746,008,995.44 and 1,097,837,027.76

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Solution

The fourth proportional to 1,989,872,704, 2,746,008,995.44 and 1,097,837,027.76 is: 1,515,006,637.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,872,704 : 2,746,008,995.44 = 1,097,837,027.76 : x
  2. Step 2: Convert to fraction form
    1,989,872,704/2,746,008,995.44 = 1,097,837,027.76/x
  3. Step 3: Cross multiply
    1,989,872,704x = 2,746,008,995.44 × 1,097,837,027.76
  4. Step 4: Simplify right side
    1,989,872,704x = 3,014,670,353,756,072,960
  5. Step 5: Solve for x
    x = 3,014,670,353,756,072,960/1,989,872,704
  6. Step 6: Final answer
    x = 1,515,006,637.21

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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.