Home / 990,477,533.68-1,366,829,453.56-567,077,147.60

Finding the Fourth Proportional to 990,477,533.68, 1,366,829,453.56 and 567,077,147.60

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Solution

The fourth proportional to 990,477,533.68, 1,366,829,453.56 and 567,077,147.60 is: 782,549,549.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,477,533.68 : 1,366,829,453.56 = 567,077,147.60 : x
  2. Step 2: Convert to fraction form
    990,477,533.68/1,366,829,453.56 = 567,077,147.60/x
  3. Step 3: Cross multiply
    990,477,533.68x = 1,366,829,453.56 × 567,077,147.60
  4. Step 4: Simplify right side
    990,477,533.68x = 775,097,747,780,471,424
  5. Step 5: Solve for x
    x = 775,097,747,780,471,424/990,477,533.68
  6. Step 6: Final answer
    x = 782,549,549.51

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Double scale
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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.