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Finding the Fourth Proportional to 1,062,886,461.80, 1,594,329,692.70 and 488,457,789.80

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Solution

The fourth proportional to 1,062,886,461.80, 1,594,329,692.70 and 488,457,789.80 is: 732,686,684.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062,886,461.80 : 1,594,329,692.70 = 488,457,789.80 : x
  2. Step 2: Convert to fraction form
    1,062,886,461.80/1,594,329,692.70 = 488,457,789.80/x
  3. Step 3: Cross multiply
    1,062,886,461.80x = 1,594,329,692.70 × 488,457,789.80
  4. Step 4: Simplify right side
    1,062,886,461.80x = 778,762,757,908,755,200
  5. Step 5: Solve for x
    x = 778,762,757,908,755,200/1,062,886,461.80
  6. Step 6: Final answer
    x = 732,686,684.70

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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.