Home / 1,201,872,385.98-1,658,675,905.25-756,217,754.73

Finding the Fourth Proportional to 1,201,872,385.98, 1,658,675,905.25 and 756,217,754.73

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Solution

The fourth proportional to 1,201,872,385.98, 1,658,675,905.25 and 756,217,754.73 is: 1,043,638,395.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,872,385.98 : 1,658,675,905.25 = 756,217,754.73 : x
  2. Step 2: Convert to fraction form
    1,201,872,385.98/1,658,675,905.25 = 756,217,754.73/x
  3. Step 3: Cross multiply
    1,201,872,385.98x = 1,658,675,905.25 × 756,217,754.73
  4. Step 4: Simplify right side
    1,201,872,385.98x = 1,254,320,168,889,124,096
  5. Step 5: Solve for x
    x = 1,254,320,168,889,124,096/1,201,872,385.98
  6. Step 6: Final answer
    x = 1,043,638,395.82

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Double scale
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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.