Home / 2,872,590,757.60-4,308,886,136.40-691,556,893.60

Finding the Fourth Proportional to 2,872,590,757.60, 4,308,886,136.40 and 691,556,893.60

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Solution

The fourth proportional to 2,872,590,757.60, 4,308,886,136.40 and 691,556,893.60 is: 1,037,335,340.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872,590,757.60 : 4,308,886,136.40 = 691,556,893.60 : x
  2. Step 2: Convert to fraction form
    2,872,590,757.60/4,308,886,136.40 = 691,556,893.60/x
  3. Step 3: Cross multiply
    2,872,590,757.60x = 4,308,886,136.40 × 691,556,893.60
  4. Step 4: Simplify right side
    2,872,590,757.60x = 2,979,839,911,364,889,600
  5. Step 5: Solve for x
    x = 2,979,839,911,364,889,600/2,872,590,757.60
  6. Step 6: Final answer
    x = 1,037,335,340.40

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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.