Home / 802,487,666.78-1,103,505,918.25-696,457,001.27

Finding the Fourth Proportional to 802,487,666.78, 1,103,505,918.25 and 696,457,001.27

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Solution

The fourth proportional to 802,487,666.78, 1,103,505,918.25 and 696,457,001.27 is: 957,702,472.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,487,666.78 : 1,103,505,918.25 = 696,457,001.27 : x
  2. Step 2: Convert to fraction form
    802,487,666.78/1,103,505,918.25 = 696,457,001.27/x
  3. Step 3: Cross multiply
    802,487,666.78x = 1,103,505,918.25 × 696,457,001.27
  4. Step 4: Simplify right side
    802,487,666.78x = 768,544,422,704,610,432
  5. Step 5: Solve for x
    x = 768,544,422,704,610,432/802,487,666.78
  6. Step 6: Final answer
    x = 957,702,472.60

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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.