Home / 709,227,491,317.70-978,734,881,863.30-384,067,343,901.16

Finding the Fourth Proportional to 709,227,491,317.70, 978,734,881,863.30 and 384,067,343,901.16

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Solution

The fourth proportional to 709,227,491,317.70, 978,734,881,863.30 and 384,067,343,901.16 is: 530,013,445,703.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,227,491,317.70 : 978,734,881,863.30 = 384,067,343,901.16 : x
  2. Step 2: Convert to fraction form
    709,227,491,317.70/978,734,881,863.30 = 384,067,343,901.16/x
  3. Step 3: Cross multiply
    709,227,491,317.70x = 978,734,881,863.30 × 384,067,343,901.16
  4. Step 4: Simplify right side
    709,227,491,317.70x = 375,900,106,460,653,259,063,296
  5. Step 5: Solve for x
    x = 375,900,106,460,653,259,063,296/709,227,491,317.70
  6. Step 6: Final answer
    x = 530,013,445,703.09

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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.