Home / 394,220,339,547.39-591,324,047,324.76-125,605,670,762.07

Finding the Fourth Proportional to 394,220,339,547.39, 591,324,047,324.76 and 125,605,670,762.07

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Solution

The fourth proportional to 394,220,339,547.39, 591,324,047,324.76 and 125,605,670,762.07 is: 188,406,447,235.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,220,339,547.39 : 591,324,047,324.76 = 125,605,670,762.07 : x
  2. Step 2: Convert to fraction form
    394,220,339,547.39/591,324,047,324.76 = 125,605,670,762.07/x
  3. Step 3: Cross multiply
    394,220,339,547.39x = 591,324,047,324.76 × 125,605,670,762.07
  4. Step 4: Simplify right side
    394,220,339,547.39x = 74,273,653,601,968,511,254,528
  5. Step 5: Solve for x
    x = 74,273,653,601,968,511,254,528/394,220,339,547.39
  6. Step 6: Final answer
    x = 188,406,447,235.18

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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.