Home / 14,339,152,147.20-21,508,728,220.80-8,140,424,323.20

Finding the Fourth Proportional to 14,339,152,147.20, 21,508,728,220.80 and 8,140,424,323.20

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Solution

The fourth proportional to 14,339,152,147.20, 21,508,728,220.80 and 8,140,424,323.20 is: 12,210,636,484.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,339,152,147.20 : 21,508,728,220.80 = 8,140,424,323.20 : x
  2. Step 2: Convert to fraction form
    14,339,152,147.20/21,508,728,220.80 = 8,140,424,323.20/x
  3. Step 3: Cross multiply
    14,339,152,147.20x = 21,508,728,220.80 × 8,140,424,323.20
  4. Step 4: Simplify right side
    14,339,152,147.20x = 175,090,174,369,698,578,432
  5. Step 5: Solve for x
    x = 175,090,174,369,698,578,432/14,339,152,147.20
  6. Step 6: Final answer
    x = 12,210,636,484.80

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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.