Home / 31,484,896,238.70-47,245,484,210.85-11,869,668,744.30

Finding the Fourth Proportional to 31,484,896,238.70, 47,245,484,210.85 and 11,869,668,744.30

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Solution

The fourth proportional to 31,484,896,238.70, 47,245,484,210.85 and 11,869,668,744.30 is: 17,811,341,761.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,484,896,238.70 : 47,245,484,210.85 = 11,869,668,744.30 : x
  2. Step 2: Convert to fraction form
    31,484,896,238.70/47,245,484,210.85 = 11,869,668,744.30/x
  3. Step 3: Cross multiply
    31,484,896,238.70x = 47,245,484,210.85 × 11,869,668,744.30
  4. Step 4: Simplify right side
    31,484,896,238.70x = 560,788,247,246,845,313,024
  5. Step 5: Solve for x
    x = 560,788,247,246,845,313,024/31,484,896,238.70
  6. Step 6: Final answer
    x = 17,811,341,761.94

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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.