Home / 356,681,720,503.80-492,220,854,641.25-196,289,638,057.80

Finding the Fourth Proportional to 356,681,720,503.80, 492,220,854,641.25 and 196,289,638,057.80

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Solution

The fourth proportional to 356,681,720,503.80, 492,220,854,641.25 and 196,289,638,057.80 is: 270,879,744,735.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,681,720,503.80 : 492,220,854,641.25 = 196,289,638,057.80 : x
  2. Step 2: Convert to fraction form
    356,681,720,503.80/492,220,854,641.25 = 196,289,638,057.80/x
  3. Step 3: Cross multiply
    356,681,720,503.80x = 492,220,854,641.25 × 196,289,638,057.80
  4. Step 4: Simplify right side
    356,681,720,503.80x = 96,617,853,402,031,950,135,296
  5. Step 5: Solve for x
    x = 96,617,853,402,031,950,135,296/356,681,720,503.80
  6. Step 6: Final answer
    x = 270,879,744,735.90

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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.