Home / 791,973,990.09-1,092,907,666.31-439,529,511.69

Finding the Fourth Proportional to 791,973,990.09, 1,092,907,666.31 and 439,529,511.69

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Solution

The fourth proportional to 791,973,990.09, 1,092,907,666.31 and 439,529,511.69 is: 606,541,602.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,973,990.09 : 1,092,907,666.31 = 439,529,511.69 : x
  2. Step 2: Convert to fraction form
    791,973,990.09/1,092,907,666.31 = 439,529,511.69/x
  3. Step 3: Cross multiply
    791,973,990.09x = 1,092,907,666.31 × 439,529,511.69
  4. Step 4: Simplify right side
    791,973,990.09x = 480,365,172,893,294,144
  5. Step 5: Solve for x
    x = 480,365,172,893,294,144/791,973,990.09
  6. Step 6: Final answer
    x = 606,541,602.25

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Double scale
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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.