Home / 980,573,296.35-1,353,142,242.51-557,131,025.60

Finding the Fourth Proportional to 980,573,296.35, 1,353,142,242.51 and 557,131,025.60

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Solution

The fourth proportional to 980,573,296.35, 1,353,142,242.51 and 557,131,025.60 is: 768,813,028.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,573,296.35 : 1,353,142,242.51 = 557,131,025.60 : x
  2. Step 2: Convert to fraction form
    980,573,296.35/1,353,142,242.51 = 557,131,025.60/x
  3. Step 3: Cross multiply
    980,573,296.35x = 1,353,142,242.51 × 557,131,025.60
  4. Step 4: Simplify right side
    980,573,296.35x = 753,877,525,343,397,504
  5. Step 5: Solve for x
    x = 753,877,525,343,397,504/980,573,296.35
  6. Step 6: Final answer
    x = 768,813,028.20

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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.