Home / 1,025,634,629.30-1,415,380,715.69-555,735,825.72

Finding the Fourth Proportional to 1,025,634,629.30, 1,415,380,715.69 and 555,735,825.72

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Solution

The fourth proportional to 1,025,634,629.30, 1,415,380,715.69 and 555,735,825.72 is: 766,918,109.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,634,629.30 : 1,415,380,715.69 = 555,735,825.72 : x
  2. Step 2: Convert to fraction form
    1,025,634,629.30/1,415,380,715.69 = 555,735,825.72/x
  3. Step 3: Cross multiply
    1,025,634,629.30x = 1,415,380,715.69 × 555,735,825.72
  4. Step 4: Simplify right side
    1,025,634,629.30x = 786,577,770,739,368,064
  5. Step 5: Solve for x
    x = 786,577,770,739,368,064/1,025,634,629.30
  6. Step 6: Final answer
    x = 766,918,109.31

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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.