Home / 354,865,117.30-531,501,413.55-291,164,125.30

Finding the Fourth Proportional to 354,865,117.30, 531,501,413.55 and 291,164,125.30

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Solution

The fourth proportional to 354,865,117.30, 531,501,413.55 and 291,164,125.30 is: 436,092,860.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,865,117.30 : 531,501,413.55 = 291,164,125.30 : x
  2. Step 2: Convert to fraction form
    354,865,117.30/531,501,413.55 = 291,164,125.30/x
  3. Step 3: Cross multiply
    354,865,117.30x = 531,501,413.55 × 291,164,125.30
  4. Step 4: Simplify right side
    354,865,117.30x = 154,754,144,171,999,328
  5. Step 5: Solve for x
    x = 154,754,144,171,999,328/354,865,117.30
  6. Step 6: Final answer
    x = 436,092,860.72

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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.