Home / 499,911,855.76-749,870,274.93-204,968,079.37

Finding the Fourth Proportional to 499,911,855.76, 749,870,274.93 and 204,968,079.37

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Solution

The fourth proportional to 499,911,855.76, 749,870,274.93 and 204,968,079.37 is: 307,453,140.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,911,855.76 : 749,870,274.93 = 204,968,079.37 : x
  2. Step 2: Convert to fraction form
    499,911,855.76/749,870,274.93 = 204,968,079.37/x
  3. Step 3: Cross multiply
    499,911,855.76x = 749,870,274.93 × 204,968,079.37
  4. Step 4: Simplify right side
    499,911,855.76x = 153,699,470,029,055,968
  5. Step 5: Solve for x
    x = 153,699,470,029,055,968/499,911,855.76
  6. Step 6: Final answer
    x = 307,453,140.50

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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.