Home / 19,963,211,315.52-29,897,280,613.72-11,551,389,286.74

Finding the Fourth Proportional to 19,963,211,315.52, 29,897,280,613.72 and 11,551,389,286.74

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Solution

The fourth proportional to 19,963,211,315.52, 29,897,280,613.72 and 11,551,389,286.74 is: 17,299,577,784.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,963,211,315.52 : 29,897,280,613.72 = 11,551,389,286.74 : x
  2. Step 2: Convert to fraction form
    19,963,211,315.52/29,897,280,613.72 = 11,551,389,286.74/x
  3. Step 3: Cross multiply
    19,963,211,315.52x = 29,897,280,613.72 × 11,551,389,286.74
  4. Step 4: Simplify right side
    19,963,211,315.52x = 345,355,126,983,984,676,864
  5. Step 5: Solve for x
    x = 345,355,126,983,984,676,864/19,963,211,315.52
  6. Step 6: Final answer
    x = 17,299,577,784.64

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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.