Home / 1,039,113,838.14-1,558,657,751.49-252,174,009.21

Finding the Fourth Proportional to 1,039,113,838.14, 1,558,657,751.49 and 252,174,009.21

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Solution

The fourth proportional to 1,039,113,838.14, 1,558,657,751.49 and 252,174,009.21 is: 378,257,857.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,113,838.14 : 1,558,657,751.49 = 252,174,009.21 : x
  2. Step 2: Convert to fraction form
    1,039,113,838.14/1,558,657,751.49 = 252,174,009.21/x
  3. Step 3: Cross multiply
    1,039,113,838.14x = 1,558,657,751.49 × 252,174,009.21
  4. Step 4: Simplify right side
    1,039,113,838.14x = 393,052,974,179,477,184
  5. Step 5: Solve for x
    x = 393,052,974,179,477,184/1,039,113,838.14
  6. Step 6: Final answer
    x = 378,257,857.56

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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.