Home / 1,425,942,679.94-2,137,404,415.14-479,639,917.40

Finding the Fourth Proportional to 1,425,942,679.94, 2,137,404,415.14 and 479,639,917.40

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Solution

The fourth proportional to 1,425,942,679.94, 2,137,404,415.14 and 479,639,917.40 is: 718,952,095.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,942,679.94 : 2,137,404,415.14 = 479,639,917.40 : x
  2. Step 2: Convert to fraction form
    1,425,942,679.94/2,137,404,415.14 = 479,639,917.40/x
  3. Step 3: Cross multiply
    1,425,942,679.94x = 2,137,404,415.14 × 479,639,917.40
  4. Step 4: Simplify right side
    1,425,942,679.94x = 1,025,184,477,128,144,896
  5. Step 5: Solve for x
    x = 1,025,184,477,128,144,896/1,425,942,679.94
  6. Step 6: Final answer
    x = 718,952,095.02

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Find fourth proportional to 1,425,942,680.94, 2,137,404,416.64 and 479,639,918.40
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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.