Home / 254,461,916,412.80-381,692,874,619.20-86,958,515,657.60

Finding the Fourth Proportional to 254,461,916,412.80, 381,692,874,619.20 and 86,958,515,657.60

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Solution

The fourth proportional to 254,461,916,412.80, 381,692,874,619.20 and 86,958,515,657.60 is: 130,437,773,486.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,461,916,412.80 : 381,692,874,619.20 = 86,958,515,657.60 : x
  2. Step 2: Convert to fraction form
    254,461,916,412.80/381,692,874,619.20 = 86,958,515,657.60/x
  3. Step 3: Cross multiply
    254,461,916,412.80x = 381,692,874,619.20 × 86,958,515,657.60
  4. Step 4: Simplify right side
    254,461,916,412.80x = 33,191,445,813,968,058,187,776
  5. Step 5: Solve for x
    x = 33,191,445,813,968,058,187,776/254,461,916,412.80
  6. Step 6: Final answer
    x = 130,437,773,486.40

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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.