Home / 1,331,893,222.81-1,996,931,791.71-675,578,694.51

Finding the Fourth Proportional to 1,331,893,222.81, 1,996,931,791.71 and 675,578,694.51

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Solution

The fourth proportional to 1,331,893,222.81, 1,996,931,791.71 and 675,578,694.51 is: 1,012,907,453.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,893,222.81 : 1,996,931,791.71 = 675,578,694.51 : x
  2. Step 2: Convert to fraction form
    1,331,893,222.81/1,996,931,791.71 = 675,578,694.51/x
  3. Step 3: Cross multiply
    1,331,893,222.81x = 1,996,931,791.71 × 675,578,694.51
  4. Step 4: Simplify right side
    1,331,893,222.81x = 1,349,084,572,868,956,928
  5. Step 5: Solve for x
    x = 1,349,084,572,868,956,928/1,331,893,222.81
  6. Step 6: Final answer
    x = 1,012,907,453.67

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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.