Home / 1,820,578,765.60-2,512,398,699.31-985,203,335.89

Finding the Fourth Proportional to 1,820,578,765.60, 2,512,398,699.31 and 985,203,335.89

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Solution

The fourth proportional to 1,820,578,765.60, 2,512,398,699.31 and 985,203,335.89 is: 1,359,580,605.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,578,765.60 : 2,512,398,699.31 = 985,203,335.89 : x
  2. Step 2: Convert to fraction form
    1,820,578,765.60/2,512,398,699.31 = 985,203,335.89/x
  3. Step 3: Cross multiply
    1,820,578,765.60x = 2,512,398,699.31 × 985,203,335.89
  4. Step 4: Simplify right side
    1,820,578,765.60x = 2,475,223,579,633,347,072
  5. Step 5: Solve for x
    x = 2,475,223,579,633,347,072/1,820,578,765.60
  6. Step 6: Final answer
    x = 1,359,580,605.03

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1.5x scale

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.