Home / 328,938,842.91-493,059,346.72-153,914,413.89

Finding the Fourth Proportional to 328,938,842.91, 493,059,346.72 and 153,914,413.89

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Solution

The fourth proportional to 328,938,842.91, 493,059,346.72 and 153,914,413.89 is: 230,708,358.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,938,842.91 : 493,059,346.72 = 153,914,413.89 : x
  2. Step 2: Convert to fraction form
    328,938,842.91/493,059,346.72 = 153,914,413.89/x
  3. Step 3: Cross multiply
    328,938,842.91x = 493,059,346.72 × 153,914,413.89
  4. Step 4: Simplify right side
    328,938,842.91x = 75,888,940,363,395,088
  5. Step 5: Solve for x
    x = 75,888,940,363,395,088/328,938,842.91
  6. Step 6: Final answer
    x = 230,708,358.10

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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.