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Finding the Fourth Proportional to 882,629,502.22, 1,218,028,654.47 and 511,566,767.02

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Solution

The fourth proportional to 882,629,502.22, 1,218,028,654.47 and 511,566,767.02 is: 705,962,104.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,629,502.22 : 1,218,028,654.47 = 511,566,767.02 : x
  2. Step 2: Convert to fraction form
    882,629,502.22/1,218,028,654.47 = 511,566,767.02/x
  3. Step 3: Cross multiply
    882,629,502.22x = 1,218,028,654.47 × 511,566,767.02
  4. Step 4: Simplify right side
    882,629,502.22x = 623,102,980,904,938,624
  5. Step 5: Solve for x
    x = 623,102,980,904,938,624/882,629,502.22
  6. Step 6: Final answer
    x = 705,962,104.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.