Home / 869,233,809.60-1,303,850,714.40-287,057,908.80

Finding the Fourth Proportional to 869,233,809.60, 1,303,850,714.40 and 287,057,908.80

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Solution

The fourth proportional to 869,233,809.60, 1,303,850,714.40 and 287,057,908.80 is: 430,586,863.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,233,809.60 : 1,303,850,714.40 = 287,057,908.80 : x
  2. Step 2: Convert to fraction form
    869,233,809.60/1,303,850,714.40 = 287,057,908.80/x
  3. Step 3: Cross multiply
    869,233,809.60x = 1,303,850,714.40 × 287,057,908.80
  4. Step 4: Simplify right side
    869,233,809.60x = 374,280,659,463,050,112
  5. Step 5: Solve for x
    x = 374,280,659,463,050,112/869,233,809.60
  6. Step 6: Final answer
    x = 430,586,863.20

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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.