Home / 450,177,809.66-621,362,166.63-254,720,895.74

Finding the Fourth Proportional to 450,177,809.66, 621,362,166.63 and 254,720,895.74

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Solution

The fourth proportional to 450,177,809.66, 621,362,166.63 and 254,720,895.74 is: 351,580,918.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,177,809.66 : 621,362,166.63 = 254,720,895.74 : x
  2. Step 2: Convert to fraction form
    450,177,809.66/621,362,166.63 = 254,720,895.74/x
  3. Step 3: Cross multiply
    450,177,809.66x = 621,362,166.63 × 254,720,895.74
  4. Step 4: Simplify right side
    450,177,809.66x = 158,273,927,662,940,736
  5. Step 5: Solve for x
    x = 158,273,927,662,940,736/450,177,809.66
  6. Step 6: Final answer
    x = 351,580,918.18

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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.