Home / 614,780,413.72-921,954,849.76-172,004,111.53

Finding the Fourth Proportional to 614,780,413.72, 921,954,849.76 and 172,004,111.53

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Solution

The fourth proportional to 614,780,413.72, 921,954,849.76 and 172,004,111.53 is: 257,945,798.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,780,413.72 : 921,954,849.76 = 172,004,111.53 : x
  2. Step 2: Convert to fraction form
    614,780,413.72/921,954,849.76 = 172,004,111.53/x
  3. Step 3: Cross multiply
    614,780,413.72x = 921,954,849.76 × 172,004,111.53
  4. Step 4: Simplify right side
    614,780,413.72x = 158,580,024,803,743,424
  5. Step 5: Solve for x
    x = 158,580,024,803,743,424/614,780,413.72
  6. Step 6: Final answer
    x = 257,945,798.64

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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.