Home / 301,805,999.40-452,708,999.10-209,972,994.60

Finding the Fourth Proportional to 301,805,999.40, 452,708,999.10 and 209,972,994.60

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Solution

The fourth proportional to 301,805,999.40, 452,708,999.10 and 209,972,994.60 is: 314,959,491.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,805,999.40 : 452,708,999.10 = 209,972,994.60 : x
  2. Step 2: Convert to fraction form
    301,805,999.40/452,708,999.10 = 209,972,994.60/x
  3. Step 3: Cross multiply
    301,805,999.40x = 452,708,999.10 × 209,972,994.60
  4. Step 4: Simplify right side
    301,805,999.40x = 95,056,664,223,395,712
  5. Step 5: Solve for x
    x = 95,056,664,223,395,712/301,805,999.40
  6. Step 6: Final answer
    x = 314,959,491.90

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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.