Home / 972,725,285.54-1,459,239,093.74-326,644,194.98

Finding the Fourth Proportional to 972,725,285.54, 1,459,239,093.74 and 326,644,194.98

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Solution

The fourth proportional to 972,725,285.54, 1,459,239,093.74 and 326,644,194.98 is: 490,017,054.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,725,285.54 : 1,459,239,093.74 = 326,644,194.98 : x
  2. Step 2: Convert to fraction form
    972,725,285.54/1,459,239,093.74 = 326,644,194.98/x
  3. Step 3: Cross multiply
    972,725,285.54x = 1,459,239,093.74 × 326,644,194.98
  4. Step 4: Simplify right side
    972,725,285.54x = 476,651,979,062,511,808
  5. Step 5: Solve for x
    x = 476,651,979,062,511,808/972,725,285.54
  6. Step 6: Final answer
    x = 490,017,054.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.