Home / 2,989,504,879.60-4,484,233,699.80-778,710,319.60

Finding the Fourth Proportional to 2,989,504,879.60, 4,484,233,699.80 and 778,710,319.60

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Solution

The fourth proportional to 2,989,504,879.60, 4,484,233,699.80 and 778,710,319.60 is: 1,168,059,326.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,504,879.60 : 4,484,233,699.80 = 778,710,319.60 : x
  2. Step 2: Convert to fraction form
    2,989,504,879.60/4,484,233,699.80 = 778,710,319.60/x
  3. Step 3: Cross multiply
    2,989,504,879.60x = 4,484,233,699.80 × 778,710,319.60
  4. Step 4: Simplify right side
    2,989,504,879.60x = 3,491,919,057,532,348,928
  5. Step 5: Solve for x
    x = 3,491,919,057,532,348,928/2,989,504,879.60
  6. Step 6: Final answer
    x = 1,168,059,326.93

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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.