Home / 782,281,152,117.45-1,173,421,728,176.20-223,936,482,933.45

Finding the Fourth Proportional to 782,281,152,117.45, 1,173,421,728,176.20 and 223,936,482,933.45

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Solution

The fourth proportional to 782,281,152,117.45, 1,173,421,728,176.20 and 223,936,482,933.45 is: 335,904,724,400.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,281,152,117.45 : 1,173,421,728,176.20 = 223,936,482,933.45 : x
  2. Step 2: Convert to fraction form
    782,281,152,117.45/1,173,421,728,176.20 = 223,936,482,933.45/x
  3. Step 3: Cross multiply
    782,281,152,117.45x = 1,173,421,728,176.20 × 223,936,482,933.45
  4. Step 4: Simplify right side
    782,281,152,117.45x = 262,771,934,805,469,004,038,144
  5. Step 5: Solve for x
    x = 262,771,934,805,469,004,038,144/782,281,152,117.45
  6. Step 6: Final answer
    x = 335,904,724,400.18

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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.