Home / 356,681,720,504.80-492,220,854,642.63-196,289,638,058.80

Finding the Fourth Proportional to 356,681,720,504.80, 492,220,854,642.63 and 196,289,638,058.80

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Solution

The fourth proportional to 356,681,720,504.80, 492,220,854,642.63 and 196,289,638,058.80 is: 270,879,744,737.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,681,720,504.80 : 492,220,854,642.63 = 196,289,638,058.80 : x
  2. Step 2: Convert to fraction form
    356,681,720,504.80/492,220,854,642.63 = 196,289,638,058.80/x
  3. Step 3: Cross multiply
    356,681,720,504.80x = 492,220,854,642.63 × 196,289,638,058.80
  4. Step 4: Simplify right side
    356,681,720,504.80x = 96,617,853,402,795,045,027,840
  5. Step 5: Solve for x
    x = 96,617,853,402,795,045,027,840/356,681,720,504.80
  6. Step 6: Final answer
    x = 270,879,744,737.28

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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.