Home / 990,429,052.50-1,365,351,569.01-692,145,230.58

Finding the Fourth Proportional to 990,429,052.50, 1,365,351,569.01 and 692,145,230.58

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Solution

The fourth proportional to 990,429,052.50, 1,365,351,569.01 and 692,145,230.58 is: 954,153,731.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,429,052.50 : 1,365,351,569.01 = 692,145,230.58 : x
  2. Step 2: Convert to fraction form
    990,429,052.50/1,365,351,569.01 = 692,145,230.58/x
  3. Step 3: Cross multiply
    990,429,052.50x = 1,365,351,569.01 × 692,145,230.58
  4. Step 4: Simplify right side
    990,429,052.50x = 945,021,576,555,191,296
  5. Step 5: Solve for x
    x = 945,021,576,555,191,296/990,429,052.50
  6. Step 6: Final answer
    x = 954,153,731.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.