Home / 374,466,888,910.80-561,700,333,366.20-215,779,456,616.40

Finding the Fourth Proportional to 374,466,888,910.80, 561,700,333,366.20 and 215,779,456,616.40

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Solution

The fourth proportional to 374,466,888,910.80, 561,700,333,366.20 and 215,779,456,616.40 is: 323,669,184,924.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,466,888,910.80 : 561,700,333,366.20 = 215,779,456,616.40 : x
  2. Step 2: Convert to fraction form
    374,466,888,910.80/561,700,333,366.20 = 215,779,456,616.40/x
  3. Step 3: Cross multiply
    374,466,888,910.80x = 561,700,333,366.20 × 215,779,456,616.40
  4. Step 4: Simplify right side
    374,466,888,910.80x = 121,203,392,715,009,363,542,016
  5. Step 5: Solve for x
    x = 121,203,392,715,009,363,542,016/374,466,888,910.80
  6. Step 6: Final answer
    x = 323,669,184,924.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.