Home / 51,269,127,522.40-76,842,469,280.40-21,423,400,962.40

Finding the Fourth Proportional to 51,269,127,522.40, 76,842,469,280.40 and 21,423,400,962.40

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Solution

The fourth proportional to 51,269,127,522.40, 76,842,469,280.40 and 21,423,400,962.40 is: 32,109,519,117.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,269,127,522.40 : 76,842,469,280.40 = 21,423,400,962.40 : x
  2. Step 2: Convert to fraction form
    51,269,127,522.40/76,842,469,280.40 = 21,423,400,962.40/x
  3. Step 3: Cross multiply
    51,269,127,522.40x = 76,842,469,280.40 × 21,423,400,962.40
  4. Step 4: Simplify right side
    51,269,127,522.40x = 1,646,227,030,334,913,904,640
  5. Step 5: Solve for x
    x = 1,646,227,030,334,913,904,640/51,269,127,522.40
  6. Step 6: Final answer
    x = 32,109,519,117.83

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Double scale
Find fourth proportional to 51,269,127,523.40, 76,842,469,281.90 and 21,423,400,963.40
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1.5x scale

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.