Home / 672,701,081.70-1,009,566,649.80-304,494,611.40

Finding the Fourth Proportional to 672,701,081.70, 1,009,566,649.80 and 304,494,611.40

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Solution

The fourth proportional to 672,701,081.70, 1,009,566,649.80 and 304,494,611.40 is: 456,975,041.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,701,081.70 : 1,009,566,649.80 = 304,494,611.40 : x
  2. Step 2: Convert to fraction form
    672,701,081.70/1,009,566,649.80 = 304,494,611.40/x
  3. Step 3: Cross multiply
    672,701,081.70x = 1,009,566,649.80 × 304,494,611.40
  4. Step 4: Simplify right side
    672,701,081.70x = 307,407,604,713,250,880
  5. Step 5: Solve for x
    x = 307,407,604,713,250,880/672,701,081.70
  6. Step 6: Final answer
    x = 456,975,041.48

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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.