Home / 459,832,820,180.40-634,562,538,532.92-256,839,553,249.20

Finding the Fourth Proportional to 459,832,820,180.40, 634,562,538,532.92 and 256,839,553,249.20

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Solution

The fourth proportional to 459,832,820,180.40, 634,562,538,532.92 and 256,839,553,249.20 is: 354,434,811,420.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,832,820,180.40 : 634,562,538,532.92 = 256,839,553,249.20 : x
  2. Step 2: Convert to fraction form
    459,832,820,180.40/634,562,538,532.92 = 256,839,553,249.20/x
  3. Step 3: Cross multiply
    459,832,820,180.40x = 634,562,538,532.92 × 256,839,553,249.20
  4. Step 4: Simplify right side
    459,832,820,180.40x = 162,980,758,905,473,464,270,848
  5. Step 5: Solve for x
    x = 162,980,758,905,473,464,270,848/459,832,820,180.40
  6. Step 6: Final answer
    x = 354,434,811,420.23

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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.