Home / 1,763,431,971.81-2,646,782,384.82-890,646,264.42

Finding the Fourth Proportional to 1,763,431,971.81, 2,646,782,384.82 and 890,646,264.42

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Solution

The fourth proportional to 1,763,431,971.81, 2,646,782,384.82 and 890,646,264.42 is: 1,336,794,887.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,763,431,971.81 : 2,646,782,384.82 = 890,646,264.42 : x
  2. Step 2: Convert to fraction form
    1,763,431,971.81/2,646,782,384.82 = 890,646,264.42/x
  3. Step 3: Cross multiply
    1,763,431,971.81x = 2,646,782,384.82 × 890,646,264.42
  4. Step 4: Simplify right side
    1,763,431,971.81x = 2,357,346,843,772,592,128
  5. Step 5: Solve for x
    x = 2,357,346,843,772,592,128/1,763,431,971.81
  6. Step 6: Final answer
    x = 1,336,794,887.16

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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.