Home / 13,169,348,199.46-18,173,726,320.17-7,817,981,774.50

Finding the Fourth Proportional to 13,169,348,199.46, 18,173,726,320.17 and 7,817,981,774.50

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Solution

The fourth proportional to 13,169,348,199.46, 18,173,726,320.17 and 7,817,981,774.50 is: 10,788,830,167.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,169,348,199.46 : 18,173,726,320.17 = 7,817,981,774.50 : x
  2. Step 2: Convert to fraction form
    13,169,348,199.46/18,173,726,320.17 = 7,817,981,774.50/x
  3. Step 3: Cross multiply
    13,169,348,199.46x = 18,173,726,320.17 × 7,817,981,774.50
  4. Step 4: Simplify right side
    13,169,348,199.46x = 142,081,861,145,839,992,832
  5. Step 5: Solve for x
    x = 142,081,861,145,839,992,832/13,169,348,199.46
  6. Step 6: Final answer
    x = 10,788,830,167.89

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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.