Home / 7,117,385,022.52-9,821,615,941.36-4,064,961,207.86

Finding the Fourth Proportional to 7,117,385,022.52, 9,821,615,941.36 and 4,064,961,207.86

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Solution

The fourth proportional to 7,117,385,022.52, 9,821,615,941.36 and 4,064,961,207.86 is: 5,609,432,070.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117,385,022.52 : 9,821,615,941.36 = 4,064,961,207.86 : x
  2. Step 2: Convert to fraction form
    7,117,385,022.52/9,821,615,941.36 = 4,064,961,207.86/x
  3. Step 3: Cross multiply
    7,117,385,022.52x = 9,821,615,941.36 × 4,064,961,207.86
  4. Step 4: Simplify right side
    7,117,385,022.52x = 39,924,487,800,068,505,600
  5. Step 5: Solve for x
    x = 39,924,487,800,068,505,600/7,117,385,022.52
  6. Step 6: Final answer
    x = 5,609,432,070.03

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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.