Home / 1,326,016,368.13-1,829,904,402.78-723,188,448.64

Finding the Fourth Proportional to 1,326,016,368.13, 1,829,904,402.78 and 723,188,448.64

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Solution

The fourth proportional to 1,326,016,368.13, 1,829,904,402.78 and 723,188,448.64 is: 998,001,048.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,016,368.13 : 1,829,904,402.78 = 723,188,448.64 : x
  2. Step 2: Convert to fraction form
    1,326,016,368.13/1,829,904,402.78 = 723,188,448.64/x
  3. Step 3: Cross multiply
    1,326,016,368.13x = 1,829,904,402.78 × 723,188,448.64
  4. Step 4: Simplify right side
    1,326,016,368.13x = 1,323,365,726,205,973,760
  5. Step 5: Solve for x
    x = 1,323,365,726,205,973,760/1,326,016,368.13
  6. Step 6: Final answer
    x = 998,001,048.87

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1.5x scale

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.