Home / 570,180,928,676.45-786,917,137,298.75-338,695,362,517.64

Finding the Fourth Proportional to 570,180,928,676.45, 786,917,137,298.75 and 338,695,362,517.64

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Solution

The fourth proportional to 570,180,928,676.45, 786,917,137,298.75 and 338,695,362,517.64 is: 467,439,669,908.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,180,928,676.45 : 786,917,137,298.75 = 338,695,362,517.64 : x
  2. Step 2: Convert to fraction form
    570,180,928,676.45/786,917,137,298.75 = 338,695,362,517.64/x
  3. Step 3: Cross multiply
    570,180,928,676.45x = 786,917,137,298.75 × 338,695,362,517.64
  4. Step 4: Simplify right side
    570,180,928,676.45x = 266,525,185,088,743,624,671,232
  5. Step 5: Solve for x
    x = 266,525,185,088,743,624,671,232/570,180,928,676.45
  6. Step 6: Final answer
    x = 467,439,669,908.68

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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.