Home / 3,919,496,436-5,405,271,860.40-2,860,547,070.24

Finding the Fourth Proportional to 3,919,496,436, 5,405,271,860.40 and 2,860,547,070.24

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Solution

The fourth proportional to 3,919,496,436, 5,405,271,860.40 and 2,860,547,070.24 is: 3,944,903,340.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919,496,436 : 5,405,271,860.40 = 2,860,547,070.24 : x
  2. Step 2: Convert to fraction form
    3,919,496,436/5,405,271,860.40 = 2,860,547,070.24/x
  3. Step 3: Cross multiply
    3,919,496,436x = 5,405,271,860.40 × 2,860,547,070.24
  4. Step 4: Simplify right side
    3,919,496,436x = 15,462,034,584,117,932,032
  5. Step 5: Solve for x
    x = 15,462,034,584,117,932,032/3,919,496,436
  6. Step 6: Final answer
    x = 3,944,903,340.67

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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.