Home / 786,750,944.36-1,179,544,626.95-475,789,428.20

Finding the Fourth Proportional to 786,750,944.36, 1,179,544,626.95 and 475,789,428.20

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Solution

The fourth proportional to 786,750,944.36, 1,179,544,626.95 and 475,789,428.20 is: 713,332,303.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,750,944.36 : 1,179,544,626.95 = 475,789,428.20 : x
  2. Step 2: Convert to fraction form
    786,750,944.36/1,179,544,626.95 = 475,789,428.20/x
  3. Step 3: Cross multiply
    786,750,944.36x = 1,179,544,626.95 × 475,789,428.20
  4. Step 4: Simplify right side
    786,750,944.36x = 561,214,863,597,061,184
  5. Step 5: Solve for x
    x = 561,214,863,597,061,184/786,750,944.36
  6. Step 6: Final answer
    x = 713,332,303.73

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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.