Home / 940,141,849.51-1,296,028,376.88-657,005,229.67

Finding the Fourth Proportional to 940,141,849.51, 1,296,028,376.88 and 657,005,229.67

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Solution

The fourth proportional to 940,141,849.51, 1,296,028,376.88 and 657,005,229.67 is: 905,711,645.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,141,849.51 : 1,296,028,376.88 = 657,005,229.67 : x
  2. Step 2: Convert to fraction form
    940,141,849.51/1,296,028,376.88 = 657,005,229.67/x
  3. Step 3: Cross multiply
    940,141,849.51x = 1,296,028,376.88 × 657,005,229.67
  4. Step 4: Simplify right side
    940,141,849.51x = 851,497,421,410,881,792
  5. Step 5: Solve for x
    x = 851,497,421,410,881,792/940,141,849.51
  6. Step 6: Final answer
    x = 905,711,645.38

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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.