Home / 840,978,982,290.96-1,261,468,488,055.70-204,267,089,437.20

Finding the Fourth Proportional to 840,978,982,290.96, 1,261,468,488,055.70 and 204,267,089,437.20

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Solution

The fourth proportional to 840,978,982,290.96, 1,261,468,488,055.70 and 204,267,089,437.20 is: 306,400,637,706.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,978,982,290.96 : 1,261,468,488,055.70 = 204,267,089,437.20 : x
  2. Step 2: Convert to fraction form
    840,978,982,290.96/1,261,468,488,055.70 = 204,267,089,437.20/x
  3. Step 3: Cross multiply
    840,978,982,290.96x = 1,261,468,488,055.70 × 204,267,089,437.20
  4. Step 4: Simplify right side
    840,978,982,290.96x = 257,676,496,471,883,136,368,640
  5. Step 5: Solve for x
    x = 257,676,496,471,883,136,368,640/840,978,982,290.96
  6. Step 6: Final answer
    x = 306,400,637,706.70

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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.