Home / 911,354,236.47-1,257,643,077.35-535,004,778.87

Finding the Fourth Proportional to 911,354,236.47, 1,257,643,077.35 and 535,004,778.87

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Solution

The fourth proportional to 911,354,236.47, 1,257,643,077.35 and 535,004,778.87 is: 738,291,467.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,354,236.47 : 1,257,643,077.35 = 535,004,778.87 : x
  2. Step 2: Convert to fraction form
    911,354,236.47/1,257,643,077.35 = 535,004,778.87/x
  3. Step 3: Cross multiply
    911,354,236.47x = 1,257,643,077.35 × 535,004,778.87
  4. Step 4: Simplify right side
    911,354,236.47x = 672,845,056,492,348,032
  5. Step 5: Solve for x
    x = 672,845,056,492,348,032/911,354,236.47
  6. Step 6: Final answer
    x = 738,291,467.32

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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.