Home / 914,213,602.55-1,261,572,546.31-517,739,429.27

Finding the Fourth Proportional to 914,213,602.55, 1,261,572,546.31 and 517,739,429.27

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Solution

The fourth proportional to 914,213,602.55, 1,261,572,546.31 and 517,739,429.27 is: 714,456,499.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,213,602.55 : 1,261,572,546.31 = 517,739,429.27 : x
  2. Step 2: Convert to fraction form
    914,213,602.55/1,261,572,546.31 = 517,739,429.27/x
  3. Step 3: Cross multiply
    914,213,602.55x = 1,261,572,546.31 × 517,739,429.27
  4. Step 4: Simplify right side
    914,213,602.55x = 653,165,850,111,099,520
  5. Step 5: Solve for x
    x = 653,165,850,111,099,520/914,213,602.55
  6. Step 6: Final answer
    x = 714,456,499.32

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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.