Home / 1,139,228,312.92-1,708,277,162.82-362,772,810.52

Finding the Fourth Proportional to 1,139,228,312.92, 1,708,277,162.82 and 362,772,810.52

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Solution

The fourth proportional to 1,139,228,312.92, 1,708,277,162.82 and 362,772,810.52 is: 543,979,201.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,228,312.92 : 1,708,277,162.82 = 362,772,810.52 : x
  2. Step 2: Convert to fraction form
    1,139,228,312.92/1,708,277,162.82 = 362,772,810.52/x
  3. Step 3: Cross multiply
    1,139,228,312.92x = 1,708,277,162.82 × 362,772,810.52
  4. Step 4: Simplify right side
    1,139,228,312.92x = 619,716,507,503,342,976
  5. Step 5: Solve for x
    x = 619,716,507,503,342,976/1,139,228,312.92
  6. Step 6: Final answer
    x = 543,979,201.07

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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.