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Finding the Fourth Proportional to 970,482,123.70, 1,455,723,185.55 and 970,482,123.70

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Solution

The fourth proportional to 970,482,123.70, 1,455,723,185.55 and 970,482,123.70 is: 1,455,723,185.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,482,123.70 : 1,455,723,185.55 = 970,482,123.70 : x
  2. Step 2: Convert to fraction form
    970,482,123.70/1,455,723,185.55 = 970,482,123.70/x
  3. Step 3: Cross multiply
    970,482,123.70x = 1,455,723,185.55 × 970,482,123.70
  4. Step 4: Simplify right side
    970,482,123.70x = 1,412,753,328,631,893,248
  5. Step 5: Solve for x
    x = 1,412,753,328,631,893,248/970,482,123.70
  6. Step 6: Final answer
    x = 1,455,723,185.55

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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.