Home / 287,092,557.60-430,125,620.40-174,713,805.60

Finding the Fourth Proportional to 287,092,557.60, 430,125,620.40 and 174,713,805.60

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Solution

The fourth proportional to 287,092,557.60, 430,125,620.40 and 174,713,805.60 is: 261,758,384.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,092,557.60 : 430,125,620.40 = 174,713,805.60 : x
  2. Step 2: Convert to fraction form
    287,092,557.60/430,125,620.40 = 174,713,805.60/x
  3. Step 3: Cross multiply
    287,092,557.60x = 430,125,620.40 × 174,713,805.60
  4. Step 4: Simplify right side
    287,092,557.60x = 75,148,884,026,144,992
  5. Step 5: Solve for x
    x = 75,148,884,026,144,992/287,092,557.60
  6. Step 6: Final answer
    x = 261,758,384.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.