Home / 306,628,235,062.01-459,531,222,714.81-238,641,393,197.45

Finding the Fourth Proportional to 306,628,235,062.01, 459,531,222,714.81 and 238,641,393,197.45

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Solution

The fourth proportional to 306,628,235,062.01, 459,531,222,714.81 and 238,641,393,197.45 is: 357,642,117,283.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,628,235,062.01 : 459,531,222,714.81 = 238,641,393,197.45 : x
  2. Step 2: Convert to fraction form
    306,628,235,062.01/459,531,222,714.81 = 238,641,393,197.45/x
  3. Step 3: Cross multiply
    306,628,235,062.01x = 459,531,222,714.81 × 238,641,393,197.45
  4. Step 4: Simplify right side
    306,628,235,062.01x = 109,663,171,206,389,944,025,088
  5. Step 5: Solve for x
    x = 109,663,171,206,389,944,025,088/306,628,235,062.01
  6. Step 6: Final answer
    x = 357,642,117,283.21

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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.