Home / 386,125,326,007.68-579,271,354,179.12-117,535,309,147.20

Finding the Fourth Proportional to 386,125,326,007.68, 579,271,354,179.12 and 117,535,309,147.20

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Solution

The fourth proportional to 386,125,326,007.68, 579,271,354,179.12 and 117,535,309,147.20 is: 176,328,339,810.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,125,326,007.68 : 579,271,354,179.12 = 117,535,309,147.20 : x
  2. Step 2: Convert to fraction form
    386,125,326,007.68/579,271,354,179.12 = 117,535,309,147.20/x
  3. Step 3: Cross multiply
    386,125,326,007.68x = 579,271,354,179.12 × 117,535,309,147.20
  4. Step 4: Simplify right side
    386,125,326,007.68x = 68,084,837,693,560,054,611,968
  5. Step 5: Solve for x
    x = 68,084,837,693,560,054,611,968/386,125,326,007.68
  6. Step 6: Final answer
    x = 176,328,339,810.08

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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.