Home / 885,743,364.30-1,328,615,046.45-516,899,690.70

Finding the Fourth Proportional to 885,743,364.30, 1,328,615,046.45 and 516,899,690.70

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Solution

The fourth proportional to 885,743,364.30, 1,328,615,046.45 and 516,899,690.70 is: 775,349,536.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,743,364.30 : 1,328,615,046.45 = 516,899,690.70 : x
  2. Step 2: Convert to fraction form
    885,743,364.30/1,328,615,046.45 = 516,899,690.70/x
  3. Step 3: Cross multiply
    885,743,364.30x = 1,328,615,046.45 × 516,899,690.70
  4. Step 4: Simplify right side
    885,743,364.30x = 686,760,706,569,371,136
  5. Step 5: Solve for x
    x = 686,760,706,569,371,136/885,743,364.30
  6. Step 6: Final answer
    x = 775,349,536.05

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Double scale
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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.