Home / 1,048,916,994.92-1,447,585,574.82-579,108,804.20

Finding the Fourth Proportional to 1,048,916,994.92, 1,447,585,574.82 and 579,108,804.20

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Solution

The fourth proportional to 1,048,916,994.92, 1,447,585,574.82 and 579,108,804.20 is: 799,214,385.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,916,994.92 : 1,447,585,574.82 = 579,108,804.20 : x
  2. Step 2: Convert to fraction form
    1,048,916,994.92/1,447,585,574.82 = 579,108,804.20/x
  3. Step 3: Cross multiply
    1,048,916,994.92x = 1,447,585,574.82 × 579,108,804.20
  4. Step 4: Simplify right side
    1,048,916,994.92x = 838,309,551,211,179,904
  5. Step 5: Solve for x
    x = 838,309,551,211,179,904/1,048,916,994.92
  6. Step 6: Final answer
    x = 799,214,385.19

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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.