Home / 933,121,974.42-1,287,747,445.55-536,645,273.54

Finding the Fourth Proportional to 933,121,974.42, 1,287,747,445.55 and 536,645,273.54

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Solution

The fourth proportional to 933,121,974.42, 1,287,747,445.55 and 536,645,273.54 is: 740,592,976.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,121,974.42 : 1,287,747,445.55 = 536,645,273.54 : x
  2. Step 2: Convert to fraction form
    933,121,974.42/1,287,747,445.55 = 536,645,273.54/x
  3. Step 3: Cross multiply
    933,121,974.42x = 1,287,747,445.55 × 536,645,273.54
  4. Step 4: Simplify right side
    933,121,974.42x = 691,063,580,158,494,080
  5. Step 5: Solve for x
    x = 691,063,580,158,494,080/933,121,974.42
  6. Step 6: Final answer
    x = 740,592,976.16

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Double scale
Find fourth proportional to 933,121,975.42, 1,287,747,446.93 and 536,645,274.54
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1.5x scale

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.