Home / 885,816,096.70-1,328,724,145.05-272,320,606.30

Finding the Fourth Proportional to 885,816,096.70, 1,328,724,145.05 and 272,320,606.30

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Solution

The fourth proportional to 885,816,096.70, 1,328,724,145.05 and 272,320,606.30 is: 408,480,909.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,816,096.70 : 1,328,724,145.05 = 272,320,606.30 : x
  2. Step 2: Convert to fraction form
    885,816,096.70/1,328,724,145.05 = 272,320,606.30/x
  3. Step 3: Cross multiply
    885,816,096.70x = 1,328,724,145.05 × 272,320,606.30
  4. Step 4: Simplify right side
    885,816,096.70x = 361,838,964,785,465,152
  5. Step 5: Solve for x
    x = 361,838,964,785,465,152/885,816,096.70
  6. Step 6: Final answer
    x = 408,480,909.45

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Double scale
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Similar ratio
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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.