Home / 719,594,987,094.90-1,079,392,415,096.90-316,678,457,261.78

Finding the Fourth Proportional to 719,594,987,094.90, 1,079,392,415,096.90 and 316,678,457,261.78

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Solution

The fourth proportional to 719,594,987,094.90, 1,079,392,415,096.90 and 316,678,457,261.78 is: 475,017,657,047.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,594,987,094.90 : 1,079,392,415,096.90 = 316,678,457,261.78 : x
  2. Step 2: Convert to fraction form
    719,594,987,094.90/1,079,392,415,096.90 = 316,678,457,261.78/x
  3. Step 3: Cross multiply
    719,594,987,094.90x = 1,079,392,415,096.90 × 316,678,457,261.78
  4. Step 4: Simplify right side
    719,594,987,094.90x = 341,820,324,792,953,192,054,784
  5. Step 5: Solve for x
    x = 341,820,324,792,953,192,054,784/719,594,987,094.90
  6. Step 6: Final answer
    x = 475,017,657,047.51

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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.