Home / 18,994,755,011.62-28,492,133,403.12-13,012,982,661.46

Finding the Fourth Proportional to 18,994,755,011.62, 28,492,133,403.12 and 13,012,982,661.46

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Solution

The fourth proportional to 18,994,755,011.62, 28,492,133,403.12 and 13,012,982,661.46 is: 19,519,474,598.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,994,755,011.62 : 28,492,133,403.12 = 13,012,982,661.46 : x
  2. Step 2: Convert to fraction form
    18,994,755,011.62/28,492,133,403.12 = 13,012,982,661.46/x
  3. Step 3: Cross multiply
    18,994,755,011.62x = 28,492,133,403.12 × 13,012,982,661.46
  4. Step 4: Simplify right side
    18,994,755,011.62x = 370,767,637,962,805,805,056
  5. Step 5: Solve for x
    x = 370,767,637,962,805,805,056/18,994,755,011.62
  6. Step 6: Final answer
    x = 19,519,474,598.96

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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.