Home / 919,392,558.96-1,268,751,279.36-501,711,950.64

Finding the Fourth Proportional to 919,392,558.96, 1,268,751,279.36 and 501,711,950.64

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Solution

The fourth proportional to 919,392,558.96, 1,268,751,279.36 and 501,711,950.64 is: 692,356,788.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,392,558.96 : 1,268,751,279.36 = 501,711,950.64 : x
  2. Step 2: Convert to fraction form
    919,392,558.96/1,268,751,279.36 = 501,711,950.64/x
  3. Step 3: Cross multiply
    919,392,558.96x = 1,268,751,279.36 × 501,711,950.64
  4. Step 4: Simplify right side
    919,392,558.96x = 636,547,679,244,701,056
  5. Step 5: Solve for x
    x = 636,547,679,244,701,056/919,392,558.96
  6. Step 6: Final answer
    x = 692,356,788.23

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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.