Home / 999,946,389.96-1,493,837,770.14-647,319,756.24

Finding the Fourth Proportional to 999,946,389.96, 1,493,837,770.14 and 647,319,756.24

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Solution

The fourth proportional to 999,946,389.96, 1,493,837,770.14 and 647,319,756.24 is: 967,042,544.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,946,389.96 : 1,493,837,770.14 = 647,319,756.24 : x
  2. Step 2: Convert to fraction form
    999,946,389.96/1,493,837,770.14 = 647,319,756.24/x
  3. Step 3: Cross multiply
    999,946,389.96x = 1,493,837,770.14 × 647,319,756.24
  4. Step 4: Simplify right side
    999,946,389.96x = 966,990,701,229,129,984
  5. Step 5: Solve for x
    x = 966,990,701,229,129,984/999,946,389.96
  6. Step 6: Final answer
    x = 967,042,544.42

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.