Home / 984,193,419.20-1,476,290,128.80-575,038,961.60

Finding the Fourth Proportional to 984,193,419.20, 1,476,290,128.80 and 575,038,961.60

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Solution

The fourth proportional to 984,193,419.20, 1,476,290,128.80 and 575,038,961.60 is: 862,558,442.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,193,419.20 : 1,476,290,128.80 = 575,038,961.60 : x
  2. Step 2: Convert to fraction form
    984,193,419.20/1,476,290,128.80 = 575,038,961.60/x
  3. Step 3: Cross multiply
    984,193,419.20x = 1,476,290,128.80 × 575,038,961.60
  4. Step 4: Simplify right side
    984,193,419.20x = 848,924,342,685,482,240
  5. Step 5: Solve for x
    x = 848,924,342,685,482,240/984,193,419.20
  6. Step 6: Final answer
    x = 862,558,442.40

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Double scale
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1.5x scale

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.