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Finding the Fourth Proportional to 885,651,602.40, 1,329,233,230.80 and 395,119,749.60

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Solution

The fourth proportional to 885,651,602.40, 1,329,233,230.80 and 395,119,749.60 is: 593,016,825.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,651,602.40 : 1,329,233,230.80 = 395,119,749.60 : x
  2. Step 2: Convert to fraction form
    885,651,602.40/1,329,233,230.80 = 395,119,749.60/x
  3. Step 3: Cross multiply
    885,651,602.40x = 1,329,233,230.80 × 395,119,749.60
  4. Step 4: Simplify right side
    885,651,602.40x = 525,206,301,313,695,040
  5. Step 5: Solve for x
    x = 525,206,301,313,695,040/885,651,602.40
  6. Step 6: Final answer
    x = 593,016,825.00

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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.