Home / 1,359,018,106.74-2,038,529,524.76-426,412,525.24

Finding the Fourth Proportional to 1,359,018,106.74, 2,038,529,524.76 and 426,412,525.24

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Solution

The fourth proportional to 1,359,018,106.74, 2,038,529,524.76 and 426,412,525.24 is: 639,619,529.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,018,106.74 : 2,038,529,524.76 = 426,412,525.24 : x
  2. Step 2: Convert to fraction form
    1,359,018,106.74/2,038,529,524.76 = 426,412,525.24/x
  3. Step 3: Cross multiply
    1,359,018,106.74x = 2,038,529,524.76 × 426,412,525.24
  4. Step 4: Simplify right side
    1,359,018,106.74x = 869,254,522,431,224,832
  5. Step 5: Solve for x
    x = 869,254,522,431,224,832/1,359,018,106.74
  6. Step 6: Final answer
    x = 639,619,529.81

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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.