Home / 1,199,960,772.13-1,655,933,668.04-664,113,477.51

Finding the Fourth Proportional to 1,199,960,772.13, 1,655,933,668.04 and 664,113,477.51

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Solution

The fourth proportional to 1,199,960,772.13, 1,655,933,668.04 and 664,113,477.51 is: 916,469,848.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,960,772.13 : 1,655,933,668.04 = 664,113,477.51 : x
  2. Step 2: Convert to fraction form
    1,199,960,772.13/1,655,933,668.04 = 664,113,477.51/x
  3. Step 3: Cross multiply
    1,199,960,772.13x = 1,655,933,668.04 × 664,113,477.51
  4. Step 4: Simplify right side
    1,199,960,772.13x = 1,099,727,866,807,934,336
  5. Step 5: Solve for x
    x = 1,099,727,866,807,934,336/1,199,960,772.13
  6. Step 6: Final answer
    x = 916,469,848.31

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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.