Home / 579,466,383.90-869,199,575.85-191,349,116.70

Finding the Fourth Proportional to 579,466,383.90, 869,199,575.85 and 191,349,116.70

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Solution

The fourth proportional to 579,466,383.90, 869,199,575.85 and 191,349,116.70 is: 287,023,675.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,466,383.90 : 869,199,575.85 = 191,349,116.70 : x
  2. Step 2: Convert to fraction form
    579,466,383.90/869,199,575.85 = 191,349,116.70/x
  3. Step 3: Cross multiply
    579,466,383.90x = 869,199,575.85 × 191,349,116.70
  4. Step 4: Simplify right side
    579,466,383.90x = 166,320,571,074,912,160
  5. Step 5: Solve for x
    x = 166,320,571,074,912,160/579,466,383.90
  6. Step 6: Final answer
    x = 287,023,675.05

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Double scale
Find fourth proportional to 579,466,384.90, 869,199,577.35 and 191,349,117.70
Similar ratio
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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.