Home / 1,359,018,110.82-2,038,529,530.90-426,412,529.35

Finding the Fourth Proportional to 1,359,018,110.82, 2,038,529,530.90 and 426,412,529.35

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Solution

The fourth proportional to 1,359,018,110.82, 2,038,529,530.90 and 426,412,529.35 is: 639,619,535.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,018,110.82 : 2,038,529,530.90 = 426,412,529.35 : x
  2. Step 2: Convert to fraction form
    1,359,018,110.82/2,038,529,530.90 = 426,412,529.35/x
  3. Step 3: Cross multiply
    1,359,018,110.82x = 2,038,529,530.90 × 426,412,529.35
  4. Step 4: Simplify right side
    1,359,018,110.82x = 869,254,533,418,765,568
  5. Step 5: Solve for x
    x = 869,254,533,418,765,568/1,359,018,110.82
  6. Step 6: Final answer
    x = 639,619,535.97

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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.