Home / 1,820,578,700.22-2,512,398,609.54-985,203,270.54

Finding the Fourth Proportional to 1,820,578,700.22, 2,512,398,609.54 and 985,203,270.54

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Solution

The fourth proportional to 1,820,578,700.22, 2,512,398,609.54 and 985,203,270.54 is: 1,359,580,515.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,578,700.22 : 2,512,398,609.54 = 985,203,270.54 : x
  2. Step 2: Convert to fraction form
    1,820,578,700.22/2,512,398,609.54 = 985,203,270.54/x
  3. Step 3: Cross multiply
    1,820,578,700.22x = 2,512,398,609.54 × 985,203,270.54
  4. Step 4: Simplify right side
    1,820,578,700.22x = 2,475,223,327,018,956,288
  5. Step 5: Solve for x
    x = 2,475,223,327,018,956,288/1,820,578,700.22
  6. Step 6: Final answer
    x = 1,359,580,515.10

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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.