Home / 666,663,338.99-1,000,017,680.69-316,728,803.64

Finding the Fourth Proportional to 666,663,338.99, 1,000,017,680.69 and 316,728,803.64

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Solution

The fourth proportional to 666,663,338.99, 1,000,017,680.69 and 316,728,803.64 is: 475,103,976.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,663,338.99 : 1,000,017,680.69 = 316,728,803.64 : x
  2. Step 2: Convert to fraction form
    666,663,338.99/1,000,017,680.69 = 316,728,803.64/x
  3. Step 3: Cross multiply
    666,663,338.99x = 1,000,017,680.69 × 316,728,803.64
  4. Step 4: Simplify right side
    666,663,338.99x = 316,734,403,628,333,120
  5. Step 5: Solve for x
    x = 316,734,403,628,333,120/666,663,338.99
  6. Step 6: Final answer
    x = 475,103,976.93

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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.