Home / 14,339,152,145.70-21,508,728,218.55-8,140,424,321.70

Finding the Fourth Proportional to 14,339,152,145.70, 21,508,728,218.55 and 8,140,424,321.70

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Solution

The fourth proportional to 14,339,152,145.70, 21,508,728,218.55 and 8,140,424,321.70 is: 12,210,636,482.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,339,152,145.70 : 21,508,728,218.55 = 8,140,424,321.70 : x
  2. Step 2: Convert to fraction form
    14,339,152,145.70/21,508,728,218.55 = 8,140,424,321.70/x
  3. Step 3: Cross multiply
    14,339,152,145.70x = 21,508,728,218.55 × 8,140,424,321.70
  4. Step 4: Simplify right side
    14,339,152,145.70x = 175,090,174,319,119,532,032
  5. Step 5: Solve for x
    x = 175,090,174,319,119,532,032/14,339,152,145.70
  6. Step 6: Final answer
    x = 12,210,636,482.55

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Double scale
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Similar ratio
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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.