Home / 746,774,256.20-1,030,564,970.36-412,245,986.28

Finding the Fourth Proportional to 746,774,256.20, 1,030,564,970.36 and 412,245,986.28

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Solution

The fourth proportional to 746,774,256.20, 1,030,564,970.36 and 412,245,986.28 is: 568,908,567.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,774,256.20 : 1,030,564,970.36 = 412,245,986.28 : x
  2. Step 2: Convert to fraction form
    746,774,256.20/1,030,564,970.36 = 412,245,986.28/x
  3. Step 3: Cross multiply
    746,774,256.20x = 1,030,564,970.36 × 412,245,986.28
  4. Step 4: Simplify right side
    746,774,256.20x = 424,846,272,631,677,120
  5. Step 5: Solve for x
    x = 424,846,272,631,677,120/746,774,256.20
  6. Step 6: Final answer
    x = 568,908,567.89

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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.