Home / 1,238,050,586.70-1,708,509,751.92-681,121,676.34

Finding the Fourth Proportional to 1,238,050,586.70, 1,708,509,751.92 and 681,121,676.34

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Solution

The fourth proportional to 1,238,050,586.70, 1,708,509,751.92 and 681,121,676.34 is: 939,947,881.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,050,586.70 : 1,708,509,751.92 = 681,121,676.34 : x
  2. Step 2: Convert to fraction form
    1,238,050,586.70/1,708,509,751.92 = 681,121,676.34/x
  3. Step 3: Cross multiply
    1,238,050,586.70x = 1,708,509,751.92 × 681,121,676.34
  4. Step 4: Simplify right side
    1,238,050,586.70x = 1,163,703,026,270,988,032
  5. Step 5: Solve for x
    x = 1,163,703,026,270,988,032/1,238,050,586.70
  6. Step 6: Final answer
    x = 939,947,881.59

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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.