Home / 697,069,536,389.20-961,946,181,956.60-388,433,903,796.66

Finding the Fourth Proportional to 697,069,536,389.20, 961,946,181,956.60 and 388,433,903,796.66

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Solution

The fourth proportional to 697,069,536,389.20, 961,946,181,956.60 and 388,433,903,796.66 is: 536,033,338,417.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,069,536,389.20 : 961,946,181,956.60 = 388,433,903,796.66 : x
  2. Step 2: Convert to fraction form
    697,069,536,389.20/961,946,181,956.60 = 388,433,903,796.66/x
  3. Step 3: Cross multiply
    697,069,536,389.20x = 961,946,181,956.60 × 388,433,903,796.66
  4. Step 4: Simplify right side
    697,069,536,389.20x = 373,652,510,699,694,308,982,784
  5. Step 5: Solve for x
    x = 373,652,510,699,694,308,982,784/697,069,536,389.20
  6. Step 6: Final answer
    x = 536,033,338,417.29

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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.