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Finding the Fourth Proportional to 885,736,807.70, 1,328,605,211.55 and 303,277,471.70

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Solution

The fourth proportional to 885,736,807.70, 1,328,605,211.55 and 303,277,471.70 is: 454,916,207.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,736,807.70 : 1,328,605,211.55 = 303,277,471.70 : x
  2. Step 2: Convert to fraction form
    885,736,807.70/1,328,605,211.55 = 303,277,471.70/x
  3. Step 3: Cross multiply
    885,736,807.70x = 1,328,605,211.55 × 303,277,471.70
  4. Step 4: Simplify right side
    885,736,807.70x = 402,936,029,446,327,616
  5. Step 5: Solve for x
    x = 402,936,029,446,327,616/885,736,807.70
  6. Step 6: Final answer
    x = 454,916,207.55

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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.