Home / 1,191,027,030.89-1,643,662,650.08-662,429,240.24

Finding the Fourth Proportional to 1,191,027,030.89, 1,643,662,650.08 and 662,429,240.24

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Solution

The fourth proportional to 1,191,027,030.89, 1,643,662,650.08 and 662,429,240.24 is: 914,177,573.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,027,030.89 : 1,643,662,650.08 = 662,429,240.24 : x
  2. Step 2: Convert to fraction form
    1,191,027,030.89/1,643,662,650.08 = 662,429,240.24/x
  3. Step 3: Cross multiply
    1,191,027,030.89x = 1,643,662,650.08 × 662,429,240.24
  4. Step 4: Simplify right side
    1,191,027,030.89x = 1,088,810,200,491,828,992
  5. Step 5: Solve for x
    x = 1,088,810,200,491,828,992/1,191,027,030.89
  6. Step 6: Final answer
    x = 914,177,573.02

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Half scale
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Double scale
Find fourth proportional to 1,191,027,031.89, 1,643,662,651.46 and 662,429,241.24
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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.