Home / 1,556,718,114.72-2,148,271,168.32-851,870,245.44

Finding the Fourth Proportional to 1,556,718,114.72, 2,148,271,168.32 and 851,870,245.44

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Solution

The fourth proportional to 1,556,718,114.72, 2,148,271,168.32 and 851,870,245.44 is: 1,175,581,031.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,718,114.72 : 2,148,271,168.32 = 851,870,245.44 : x
  2. Step 2: Convert to fraction form
    1,556,718,114.72/2,148,271,168.32 = 851,870,245.44/x
  3. Step 3: Cross multiply
    1,556,718,114.72x = 2,148,271,168.32 × 851,870,245.44
  4. Step 4: Simplify right side
    1,556,718,114.72x = 1,830,048,287,428,434,176
  5. Step 5: Solve for x
    x = 1,830,048,287,428,434,176/1,556,718,114.72
  6. Step 6: Final answer
    x = 1,175,581,031.74

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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.