Home / 612,778,071.42-845,632,774.02-334,319,619.60

Finding the Fourth Proportional to 612,778,071.42, 845,632,774.02 and 334,319,619.60

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Solution

The fourth proportional to 612,778,071.42, 845,632,774.02 and 334,319,619.60 is: 461,360,548.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,778,071.42 : 845,632,774.02 = 334,319,619.60 : x
  2. Step 2: Convert to fraction form
    612,778,071.42/845,632,774.02 = 334,319,619.60/x
  3. Step 3: Cross multiply
    612,778,071.42x = 845,632,774.02 × 334,319,619.60
  4. Step 4: Simplify right side
    612,778,071.42x = 282,711,627,331,659,168
  5. Step 5: Solve for x
    x = 282,711,627,331,659,168/612,778,071.42
  6. Step 6: Final answer
    x = 461,360,548.81

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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.