Home / 492,989,918,525.52-738,968,759,934.93-206,312,225,581.23

Finding the Fourth Proportional to 492,989,918,525.52, 738,968,759,934.93 and 206,312,225,581.23

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Solution

The fourth proportional to 492,989,918,525.52, 738,968,759,934.93 and 206,312,225,581.23 is: 309,252,347,295.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,989,918,525.52 : 738,968,759,934.93 = 206,312,225,581.23 : x
  2. Step 2: Convert to fraction form
    492,989,918,525.52/738,968,759,934.93 = 206,312,225,581.23/x
  3. Step 3: Cross multiply
    492,989,918,525.52x = 738,968,759,934.93 × 206,312,225,581.23
  4. Step 4: Simplify right side
    492,989,918,525.52x = 152,458,289,497,177,092,784,128
  5. Step 5: Solve for x
    x = 152,458,289,497,177,092,784,128/492,989,918,525.52
  6. Step 6: Final answer
    x = 309,252,347,295.79

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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.