Home / 1,191,571,738.05-1,644,384,125.28-655,785,092.50

Finding the Fourth Proportional to 1,191,571,738.05, 1,644,384,125.28 and 655,785,092.50

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Solution

The fourth proportional to 1,191,571,738.05, 1,644,384,125.28 and 655,785,092.50 is: 904,991,752.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,571,738.05 : 1,644,384,125.28 = 655,785,092.50 : x
  2. Step 2: Convert to fraction form
    1,191,571,738.05/1,644,384,125.28 = 655,785,092.50/x
  3. Step 3: Cross multiply
    1,191,571,738.05x = 1,644,384,125.28 × 655,785,092.50
  4. Step 4: Simplify right side
    1,191,571,738.05x = 1,078,362,595,709,931,648
  5. Step 5: Solve for x
    x = 1,078,362,595,709,931,648/1,191,571,738.05
  6. Step 6: Final answer
    x = 904,991,752.72

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1.5x scale

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.