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Finding the Fourth Proportional to 7,369,668,520.80, 11,054,502,781.20 and 7,369,668,520.80

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Solution

The fourth proportional to 7,369,668,520.80, 11,054,502,781.20 and 7,369,668,520.80 is: 11,054,502,781.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,369,668,520.80 : 11,054,502,781.20 = 7,369,668,520.80 : x
  2. Step 2: Convert to fraction form
    7,369,668,520.80/11,054,502,781.20 = 7,369,668,520.80/x
  3. Step 3: Cross multiply
    7,369,668,520.80x = 11,054,502,781.20 × 7,369,668,520.80
  4. Step 4: Simplify right side
    7,369,668,520.80x = 81,468,021,159,705,690,112
  5. Step 5: Solve for x
    x = 81,468,021,159,705,690,112/7,369,668,520.80
  6. Step 6: Final answer
    x = 11,054,502,781.20

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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.