Home / 1,076,546,970-1,485,635,416.92-581,509,683.36

Finding the Fourth Proportional to 1,076,546,970, 1,485,635,416.92 and 581,509,683.36

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Solution

The fourth proportional to 1,076,546,970, 1,485,635,416.92 and 581,509,683.36 is: 802,483,686.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,546,970 : 1,485,635,416.92 = 581,509,683.36 : x
  2. Step 2: Convert to fraction form
    1,076,546,970/1,485,635,416.92 = 581,509,683.36/x
  3. Step 3: Cross multiply
    1,076,546,970x = 1,485,635,416.92 × 581,509,683.36
  4. Step 4: Simplify right side
    1,076,546,970x = 863,911,380,881,550,848
  5. Step 5: Solve for x
    x = 863,911,380,881,550,848/1,076,546,970
  6. Step 6: Final answer
    x = 802,483,686.23

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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.