Home / 1,379,205,901.84-2,068,758,463.64-409,832,323.60

Finding the Fourth Proportional to 1,379,205,901.84, 2,068,758,463.64 and 409,832,323.60

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Solution

The fourth proportional to 1,379,205,901.84, 2,068,758,463.64 and 409,832,323.60 is: 614,733,512.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,205,901.84 : 2,068,758,463.64 = 409,832,323.60 : x
  2. Step 2: Convert to fraction form
    1,379,205,901.84/2,068,758,463.64 = 409,832,323.60/x
  3. Step 3: Cross multiply
    1,379,205,901.84x = 2,068,758,463.64 × 409,832,323.60
  4. Step 4: Simplify right side
    1,379,205,901.84x = 847,844,088,120,747,392
  5. Step 5: Solve for x
    x = 847,844,088,120,747,392/1,379,205,901.84
  6. Step 6: Final answer
    x = 614,733,512.23

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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.