Home / 885,748,246.20-1,328,622,369.30-394,460,566.20

Finding the Fourth Proportional to 885,748,246.20, 1,328,622,369.30 and 394,460,566.20

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Solution

The fourth proportional to 885,748,246.20, 1,328,622,369.30 and 394,460,566.20 is: 591,690,849.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,748,246.20 : 1,328,622,369.30 = 394,460,566.20 : x
  2. Step 2: Convert to fraction form
    885,748,246.20/1,328,622,369.30 = 394,460,566.20/x
  3. Step 3: Cross multiply
    885,748,246.20x = 1,328,622,369.30 × 394,460,566.20
  4. Step 4: Simplify right side
    885,748,246.20x = 524,089,132,060,063,488
  5. Step 5: Solve for x
    x = 524,089,132,060,063,488/885,748,246.20
  6. Step 6: Final answer
    x = 591,690,849.30

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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.