Home / 19,997,758,207.89-29,975,639,330.46-6,728,409,722.66

Finding the Fourth Proportional to 19,997,758,207.89, 29,975,639,330.46 and 6,728,409,722.66

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Solution

The fourth proportional to 19,997,758,207.89, 29,975,639,330.46 and 6,728,409,722.66 is: 10,085,549,640.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,997,758,207.89 : 29,975,639,330.46 = 6,728,409,722.66 : x
  2. Step 2: Convert to fraction form
    19,997,758,207.89/29,975,639,330.46 = 6,728,409,722.66/x
  3. Step 3: Cross multiply
    19,997,758,207.89x = 29,975,639,330.46 × 6,728,409,722.66
  4. Step 4: Simplify right side
    19,997,758,207.89x = 201,688,383,113,866,674,176
  5. Step 5: Solve for x
    x = 201,688,383,113,866,674,176/19,997,758,207.89
  6. Step 6: Final answer
    x = 10,085,549,640.97

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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.