Home / 11,872,353,967.60-17,826,103,933.80-6,642,407,657.20

Finding the Fourth Proportional to 11,872,353,967.60, 17,826,103,933.80 and 6,642,407,657.20

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Solution

The fourth proportional to 11,872,353,967.60, 17,826,103,933.80 and 6,642,407,657.20 is: 9,973,443,311.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,872,353,967.60 : 17,826,103,933.80 = 6,642,407,657.20 : x
  2. Step 2: Convert to fraction form
    11,872,353,967.60/17,826,103,933.80 = 6,642,407,657.20/x
  3. Step 3: Cross multiply
    11,872,353,967.60x = 17,826,103,933.80 × 6,642,407,657.20
  4. Step 4: Simplify right side
    11,872,353,967.60x = 118,408,249,267,916,161,024
  5. Step 5: Solve for x
    x = 118,408,249,267,916,161,024/11,872,353,967.60
  6. Step 6: Final answer
    x = 9,973,443,311.33

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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.