Home / 805,281,927.81-1,207,968,261.89-245,061,976.29

Finding the Fourth Proportional to 805,281,927.81, 1,207,968,261.89 and 245,061,976.29

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Solution

The fourth proportional to 805,281,927.81, 1,207,968,261.89 and 245,061,976.29 is: 367,606,771.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,281,927.81 : 1,207,968,261.89 = 245,061,976.29 : x
  2. Step 2: Convert to fraction form
    805,281,927.81/1,207,968,261.89 = 245,061,976.29/x
  3. Step 3: Cross multiply
    805,281,927.81x = 1,207,968,261.89 × 245,061,976.29
  4. Step 4: Simplify right side
    805,281,927.81x = 296,027,089,548,592,448
  5. Step 5: Solve for x
    x = 296,027,089,548,592,448/805,281,927.81
  6. Step 6: Final answer
    x = 367,606,771.40

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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.