Home / 1,820,578,689.72-2,512,398,594.60-985,203,260.01

Finding the Fourth Proportional to 1,820,578,689.72, 2,512,398,594.60 and 985,203,260.01

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Solution

The fourth proportional to 1,820,578,689.72, 2,512,398,594.60 and 985,203,260.01 is: 1,359,580,500.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,578,689.72 : 2,512,398,594.60 = 985,203,260.01 : x
  2. Step 2: Convert to fraction form
    1,820,578,689.72/2,512,398,594.60 = 985,203,260.01/x
  3. Step 3: Cross multiply
    1,820,578,689.72x = 2,512,398,594.60 × 985,203,260.01
  4. Step 4: Simplify right side
    1,820,578,689.72x = 2,475,223,285,844,462,080
  5. Step 5: Solve for x
    x = 2,475,223,285,844,462,080/1,820,578,689.72
  6. Step 6: Final answer
    x = 1,359,580,500.32

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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.