Home / 359,724,553.20-496,212,676.43-216,570,664.17

Finding the Fourth Proportional to 359,724,553.20, 496,212,676.43 and 216,570,664.17

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Solution

The fourth proportional to 359,724,553.20, 496,212,676.43 and 216,570,664.17 is: 298,742,768.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,724,553.20 : 496,212,676.43 = 216,570,664.17 : x
  2. Step 2: Convert to fraction form
    359,724,553.20/496,212,676.43 = 216,570,664.17/x
  3. Step 3: Cross multiply
    359,724,553.20x = 496,212,676.43 × 216,570,664.17
  4. Step 4: Simplify right side
    359,724,553.20x = 107,465,108,902,935,552
  5. Step 5: Solve for x
    x = 107,465,108,902,935,552/359,724,553.20
  6. Step 6: Final answer
    x = 298,742,768.45

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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.