Home / 49,089,140,915.53-67,744,685,941.93-28,487,735,769.54

Finding the Fourth Proportional to 49,089,140,915.53, 67,744,685,941.93 and 28,487,735,769.54

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Solution

The fourth proportional to 49,089,140,915.53, 67,744,685,941.93 and 28,487,735,769.54 is: 39,314,045,365.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,089,140,915.53 : 67,744,685,941.93 = 28,487,735,769.54 : x
  2. Step 2: Convert to fraction form
    49,089,140,915.53/67,744,685,941.93 = 28,487,735,769.54/x
  3. Step 3: Cross multiply
    49,089,140,915.53x = 67,744,685,941.93 × 28,487,735,769.54
  4. Step 4: Simplify right side
    49,089,140,915.53x = 1,929,892,712,904,173,027,328
  5. Step 5: Solve for x
    x = 1,929,892,712,904,173,027,328/49,089,140,915.53
  6. Step 6: Final answer
    x = 39,314,045,365.45

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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.