Home / 15,170,489,592,345-20,931,687,465,672-8,585,985,249,105

Finding the Fourth Proportional to 15,170,489,592,345, 20,931,687,465,672 and 8,585,985,249,105

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Solution

The fourth proportional to 15,170,489,592,345, 20,931,687,465,672 and 8,585,985,249,105 is: 11,846,628,859,613.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,170,489,592,345 : 20,931,687,465,672 = 8,585,985,249,105 : x
  2. Step 2: Convert to fraction form
    15,170,489,592,345/20,931,687,465,672 = 8,585,985,249,105/x
  3. Step 3: Cross multiply
    15,170,489,592,345x = 20,931,687,465,672 × 8,585,985,249,105
  4. Step 4: Simplify right side
    15,170,489,592,345x = 179,719,159,819,135,815,648,280,576
  5. Step 5: Solve for x
    x = 179,719,159,819,135,815,648,280,576/15,170,489,592,345
  6. Step 6: Final answer
    x = 11,846,628,859,613.19

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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.