Home / 746,728,653.06-1,119,734,486.55-352,927,460.34

Finding the Fourth Proportional to 746,728,653.06, 1,119,734,486.55 and 352,927,460.34

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Solution

The fourth proportional to 746,728,653.06, 1,119,734,486.55 and 352,927,460.34 is: 529,221,755.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,728,653.06 : 1,119,734,486.55 = 352,927,460.34 : x
  2. Step 2: Convert to fraction form
    746,728,653.06/1,119,734,486.55 = 352,927,460.34/x
  3. Step 3: Cross multiply
    746,728,653.06x = 1,119,734,486.55 × 352,927,460.34
  4. Step 4: Simplify right side
    746,728,653.06x = 395,185,048,593,205,312
  5. Step 5: Solve for x
    x = 395,185,048,593,205,312/746,728,653.06
  6. Step 6: Final answer
    x = 529,221,755.42

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Double scale
Find fourth proportional to 746,728,654.06, 1,119,734,488.05 and 352,927,461.34
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1.5x scale

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.