Home / 15,885,771,150.48-21,923,912,658.88-11,864,459,976.72

Finding the Fourth Proportional to 15,885,771,150.48, 21,923,912,658.88 and 11,864,459,976.72

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Solution

The fourth proportional to 15,885,771,150.48, 21,923,912,658.88 and 11,864,459,976.72 is: 16,374,111,260.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,885,771,150.48 : 21,923,912,658.88 = 11,864,459,976.72 : x
  2. Step 2: Convert to fraction form
    15,885,771,150.48/21,923,912,658.88 = 11,864,459,976.72/x
  3. Step 3: Cross multiply
    15,885,771,150.48x = 21,923,912,658.88 × 11,864,459,976.72
  4. Step 4: Simplify right side
    15,885,771,150.48x = 260,115,384,274,386,714,624
  5. Step 5: Solve for x
    x = 260,115,384,274,386,714,624/15,885,771,150.48
  6. Step 6: Final answer
    x = 16,374,111,260.35

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1.5x scale

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.