Home / 742,271,932,841.68-1,112,952,233,482.20-288,460,956,073.44

Finding the Fourth Proportional to 742,271,932,841.68, 1,112,952,233,482.20 and 288,460,956,073.44

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Solution

The fourth proportional to 742,271,932,841.68, 1,112,952,233,482.20 and 288,460,956,073.44 is: 432,514,353,742.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,271,932,841.68 : 1,112,952,233,482.20 = 288,460,956,073.44 : x
  2. Step 2: Convert to fraction form
    742,271,932,841.68/1,112,952,233,482.20 = 288,460,956,073.44/x
  3. Step 3: Cross multiply
    742,271,932,841.68x = 1,112,952,233,482.20 × 288,460,956,073.44
  4. Step 4: Simplify right side
    742,271,932,841.68x = 321,043,265,334,345,790,914,560
  5. Step 5: Solve for x
    x = 321,043,265,334,345,790,914,560/742,271,932,841.68
  6. Step 6: Final answer
    x = 432,514,353,742.68

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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.