Home / 1,076,275,118.32-1,485,259,606.36-581,237,779.12

Finding the Fourth Proportional to 1,076,275,118.32, 1,485,259,606.36 and 581,237,779.12

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Solution

The fourth proportional to 1,076,275,118.32, 1,485,259,606.36 and 581,237,779.12 is: 802,108,104.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,275,118.32 : 1,485,259,606.36 = 581,237,779.12 : x
  2. Step 2: Convert to fraction form
    1,076,275,118.32/1,485,259,606.36 = 581,237,779.12/x
  3. Step 3: Cross multiply
    1,076,275,118.32x = 1,485,259,606.36 × 581,237,779.12
  4. Step 4: Simplify right side
    1,076,275,118.32x = 863,288,995,017,331,712
  5. Step 5: Solve for x
    x = 863,288,995,017,331,712/1,076,275,118.32
  6. Step 6: Final answer
    x = 802,108,104.45

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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.