Home / 939,394,456.40-1,409,091,684.60-325,774,744.40

Finding the Fourth Proportional to 939,394,456.40, 1,409,091,684.60 and 325,774,744.40

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Solution

The fourth proportional to 939,394,456.40, 1,409,091,684.60 and 325,774,744.40 is: 488,662,116.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,394,456.40 : 1,409,091,684.60 = 325,774,744.40 : x
  2. Step 2: Convert to fraction form
    939,394,456.40/1,409,091,684.60 = 325,774,744.40/x
  3. Step 3: Cross multiply
    939,394,456.40x = 1,409,091,684.60 × 325,774,744.40
  4. Step 4: Simplify right side
    939,394,456.40x = 459,046,483,386,730,368
  5. Step 5: Solve for x
    x = 459,046,483,386,730,368/939,394,456.40
  6. Step 6: Final answer
    x = 488,662,116.60

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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.