Home / 931,553,502.68-1,397,182,172.24-309,717,012.98

Finding the Fourth Proportional to 931,553,502.68, 1,397,182,172.24 and 309,717,012.98

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Solution

The fourth proportional to 931,553,502.68, 1,397,182,172.24 and 309,717,012.98 is: 464,526,286.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,553,502.68 : 1,397,182,172.24 = 309,717,012.98 : x
  2. Step 2: Convert to fraction form
    931,553,502.68/1,397,182,172.24 = 309,717,012.98/x
  3. Step 3: Cross multiply
    931,553,502.68x = 1,397,182,172.24 × 309,717,012.98
  4. Step 4: Simplify right side
    931,553,502.68x = 432,731,088,979,347,968
  5. Step 5: Solve for x
    x = 432,731,088,979,347,968/931,553,502.68
  6. Step 6: Final answer
    x = 464,526,286.18

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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.