Home / 768,730,596.45-1,153,095,894.68-354,206,616.45

Finding the Fourth Proportional to 768,730,596.45, 1,153,095,894.68 and 354,206,616.45

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Solution

The fourth proportional to 768,730,596.45, 1,153,095,894.68 and 354,206,616.45 is: 531,309,924.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,730,596.45 : 1,153,095,894.68 = 354,206,616.45 : x
  2. Step 2: Convert to fraction form
    768,730,596.45/1,153,095,894.68 = 354,206,616.45/x
  3. Step 3: Cross multiply
    768,730,596.45x = 1,153,095,894.68 × 354,206,616.45
  4. Step 4: Simplify right side
    768,730,596.45x = 408,434,195,295,217,280
  5. Step 5: Solve for x
    x = 408,434,195,295,217,280/768,730,596.45
  6. Step 6: Final answer
    x = 531,309,924.68

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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.