Home / 31,484,896,384.20-47,245,484,429.10-11,869,668,889.80

Finding the Fourth Proportional to 31,484,896,384.20, 47,245,484,429.10 and 11,869,668,889.80

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Solution

The fourth proportional to 31,484,896,384.20, 47,245,484,429.10 and 11,869,668,889.80 is: 17,811,341,980.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,484,896,384.20 : 47,245,484,429.10 = 11,869,668,889.80 : x
  2. Step 2: Convert to fraction form
    31,484,896,384.20/47,245,484,429.10 = 11,869,668,889.80/x
  3. Step 3: Cross multiply
    31,484,896,384.20x = 47,245,484,429.10 × 11,869,668,889.80
  4. Step 4: Simplify right side
    31,484,896,384.20x = 560,788,256,711,618,527,232
  5. Step 5: Solve for x
    x = 560,788,256,711,618,527,232/31,484,896,384.20
  6. Step 6: Final answer
    x = 17,811,341,980.25

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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.