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Finding the Fourth Proportional to 885,700,827.30, 1,328,551,240.95 and 885,700,827.30

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Solution

The fourth proportional to 885,700,827.30, 1,328,551,240.95 and 885,700,827.30 is: 1,328,551,240.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,700,827.30 : 1,328,551,240.95 = 885,700,827.30 : x
  2. Step 2: Convert to fraction form
    885,700,827.30/1,328,551,240.95 = 885,700,827.30/x
  3. Step 3: Cross multiply
    885,700,827.30x = 1,328,551,240.95 × 885,700,827.30
  4. Step 4: Simplify right side
    885,700,827.30x = 1,176,698,933,219,856,640
  5. Step 5: Solve for x
    x = 1,176,698,933,219,856,640/885,700,827.30
  6. Step 6: Final answer
    x = 1,328,551,240.95

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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.