Home / 31,484,896,225.20-47,245,484,190.60-11,869,668,730.80

Finding the Fourth Proportional to 31,484,896,225.20, 47,245,484,190.60 and 11,869,668,730.80

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Solution

The fourth proportional to 31,484,896,225.20, 47,245,484,190.60 and 11,869,668,730.80 is: 17,811,341,741.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,484,896,225.20 : 47,245,484,190.60 = 11,869,668,730.80 : x
  2. Step 2: Convert to fraction form
    31,484,896,225.20/47,245,484,190.60 = 11,869,668,730.80/x
  3. Step 3: Cross multiply
    31,484,896,225.20x = 47,245,484,190.60 × 11,869,668,730.80
  4. Step 4: Simplify right side
    31,484,896,225.20x = 560,788,246,368,670,515,200
  5. Step 5: Solve for x
    x = 560,788,246,368,670,515,200/31,484,896,225.20
  6. Step 6: Final answer
    x = 17,811,341,741.69

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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.