Home / 505,666,443.60-758,550,185.10-137,207,244.60

Finding the Fourth Proportional to 505,666,443.60, 758,550,185.10 and 137,207,244.60

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Solution

The fourth proportional to 505,666,443.60, 758,550,185.10 and 137,207,244.60 is: 205,824,574.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,666,443.60 : 758,550,185.10 = 137,207,244.60 : x
  2. Step 2: Convert to fraction form
    505,666,443.60/758,550,185.10 = 137,207,244.60/x
  3. Step 3: Cross multiply
    505,666,443.60x = 758,550,185.10 × 137,207,244.60
  4. Step 4: Simplify right side
    505,666,443.60x = 104,078,580,788,390,976
  5. Step 5: Solve for x
    x = 104,078,580,788,390,976/505,666,443.60
  6. Step 6: Final answer
    x = 205,824,574.89

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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.