Home / 709,227,491,314.08-978,734,881,858.38-384,067,343,897.52

Finding the Fourth Proportional to 709,227,491,314.08, 978,734,881,858.38 and 384,067,343,897.52

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Solution

The fourth proportional to 709,227,491,314.08, 978,734,881,858.38 and 384,067,343,897.52 is: 530,013,445,698.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,227,491,314.08 : 978,734,881,858.38 = 384,067,343,897.52 : x
  2. Step 2: Convert to fraction form
    709,227,491,314.08/978,734,881,858.38 = 384,067,343,897.52/x
  3. Step 3: Cross multiply
    709,227,491,314.08x = 978,734,881,858.38 × 384,067,343,897.52
  4. Step 4: Simplify right side
    709,227,491,314.08x = 375,900,106,455,201,066,516,480
  5. Step 5: Solve for x
    x = 375,900,106,455,201,066,516,480/709,227,491,314.08
  6. Step 6: Final answer
    x = 530,013,445,698.11

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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.