Home / 885,808,520.80-1,328,712,781.20-541,434,752.80

Finding the Fourth Proportional to 885,808,520.80, 1,328,712,781.20 and 541,434,752.80

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Solution

The fourth proportional to 885,808,520.80, 1,328,712,781.20 and 541,434,752.80 is: 812,152,129.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,808,520.80 : 1,328,712,781.20 = 541,434,752.80 : x
  2. Step 2: Convert to fraction form
    885,808,520.80/1,328,712,781.20 = 541,434,752.80/x
  3. Step 3: Cross multiply
    885,808,520.80x = 1,328,712,781.20 × 541,434,752.80
  4. Step 4: Simplify right side
    885,808,520.80x = 719,411,276,231,222,400
  5. Step 5: Solve for x
    x = 719,411,276,231,222,400/885,808,520.80
  6. Step 6: Final answer
    x = 812,152,129.20

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Double scale
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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.