Home / 639,049,602,879.80-881,888,927,433.70-346,076,799,914.50

Finding the Fourth Proportional to 639,049,602,879.80, 881,888,927,433.70 and 346,076,799,914.50

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Solution

The fourth proportional to 639,049,602,879.80, 881,888,927,433.70 and 346,076,799,914.50 is: 477,586,241,366.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,049,602,879.80 : 881,888,927,433.70 = 346,076,799,914.50 : x
  2. Step 2: Convert to fraction form
    639,049,602,879.80/881,888,927,433.70 = 346,076,799,914.50/x
  3. Step 3: Cross multiply
    639,049,602,879.80x = 881,888,927,433.70 × 346,076,799,914.50
  4. Step 4: Simplify right side
    639,049,602,879.80x = 305,201,297,886,285,620,314,112
  5. Step 5: Solve for x
    x = 305,201,297,886,285,620,314,112/639,049,602,879.80
  6. Step 6: Final answer
    x = 477,586,241,366.76

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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.