Home / 1,161,805,922.15-1,603,297,602.02-660,042,238.94

Finding the Fourth Proportional to 1,161,805,922.15, 1,603,297,602.02 and 660,042,238.94

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Solution

The fourth proportional to 1,161,805,922.15, 1,603,297,602.02 and 660,042,238.94 is: 910,861,374.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,805,922.15 : 1,603,297,602.02 = 660,042,238.94 : x
  2. Step 2: Convert to fraction form
    1,161,805,922.15/1,603,297,602.02 = 660,042,238.94/x
  3. Step 3: Cross multiply
    1,161,805,922.15x = 1,603,297,602.02 × 660,042,238.94
  4. Step 4: Simplify right side
    1,161,805,922.15x = 1,058,244,138,930,040,064
  5. Step 5: Solve for x
    x = 1,058,244,138,930,040,064/1,161,805,922.15
  6. Step 6: Final answer
    x = 910,861,374.31

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1.5x scale

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.