Home / 1,997,678,346.28-2,756,775,813.06-1,105,606,807.72

Finding the Fourth Proportional to 1,997,678,346.28, 2,756,775,813.06 and 1,105,606,807.72

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Solution

The fourth proportional to 1,997,678,346.28, 2,756,775,813.06 and 1,105,606,807.72 is: 1,525,726,157.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997,678,346.28 : 2,756,775,813.06 = 1,105,606,807.72 : x
  2. Step 2: Convert to fraction form
    1,997,678,346.28/2,756,775,813.06 = 1,105,606,807.72/x
  3. Step 3: Cross multiply
    1,997,678,346.28x = 2,756,775,813.06 × 1,105,606,807.72
  4. Step 4: Simplify right side
    1,997,678,346.28x = 3,047,910,106,276,974,080
  5. Step 5: Solve for x
    x = 3,047,910,106,276,974,080/1,997,678,346.28
  6. Step 6: Final answer
    x = 1,525,726,157.04

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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.