Home / 719,594,987,107.12-1,079,392,415,115.40-316,678,457,274.04

Finding the Fourth Proportional to 719,594,987,107.12, 1,079,392,415,115.40 and 316,678,457,274.04

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Solution

The fourth proportional to 719,594,987,107.12, 1,079,392,415,115.40 and 316,678,457,274.04 is: 475,017,657,065.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,594,987,107.12 : 1,079,392,415,115.40 = 316,678,457,274.04 : x
  2. Step 2: Convert to fraction form
    719,594,987,107.12/1,079,392,415,115.40 = 316,678,457,274.04/x
  3. Step 3: Cross multiply
    719,594,987,107.12x = 1,079,392,415,115.40 × 316,678,457,274.04
  4. Step 4: Simplify right side
    719,594,987,107.12x = 341,820,324,812,045,059,883,008
  5. Step 5: Solve for x
    x = 341,820,324,812,045,059,883,008/719,594,987,107.12
  6. Step 6: Final answer
    x = 475,017,657,065.98

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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.