Home / 280,908,045.45-421,362,068.18-235,558,413.45

Finding the Fourth Proportional to 280,908,045.45, 421,362,068.18 and 235,558,413.45

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Solution

The fourth proportional to 280,908,045.45, 421,362,068.18 and 235,558,413.45 is: 353,337,620.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,908,045.45 : 421,362,068.18 = 235,558,413.45 : x
  2. Step 2: Convert to fraction form
    280,908,045.45/421,362,068.18 = 235,558,413.45/x
  3. Step 3: Cross multiply
    280,908,045.45x = 421,362,068.18 × 235,558,413.45
  4. Step 4: Simplify right side
    280,908,045.45x = 99,255,380,267,313,728
  5. Step 5: Solve for x
    x = 99,255,380,267,313,728/280,908,045.45
  6. Step 6: Final answer
    x = 353,337,620.18

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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.