Home / 1,525,431,758.70-2,288,168,896.41-434,914,826.70

Finding the Fourth Proportional to 1,525,431,758.70, 2,288,168,896.41 and 434,914,826.70

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Solution

The fourth proportional to 1,525,431,758.70, 2,288,168,896.41 and 434,914,826.70 is: 652,378,301.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,431,758.70 : 2,288,168,896.41 = 434,914,826.70 : x
  2. Step 2: Convert to fraction form
    1,525,431,758.70/2,288,168,896.41 = 434,914,826.70/x
  3. Step 3: Cross multiply
    1,525,431,758.70x = 2,288,168,896.41 × 434,914,826.70
  4. Step 4: Simplify right side
    1,525,431,758.70x = 995,158,579,042,485,248
  5. Step 5: Solve for x
    x = 995,158,579,042,485,248/1,525,431,758.70
  6. Step 6: Final answer
    x = 652,378,301.01

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1.5x scale

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.