Home / 14,210,423,998.20-21,315,635,997.30-3,870,707,902.20

Finding the Fourth Proportional to 14,210,423,998.20, 21,315,635,997.30 and 3,870,707,902.20

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Solution

The fourth proportional to 14,210,423,998.20, 21,315,635,997.30 and 3,870,707,902.20 is: 5,806,061,853.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,210,423,998.20 : 21,315,635,997.30 = 3,870,707,902.20 : x
  2. Step 2: Convert to fraction form
    14,210,423,998.20/21,315,635,997.30 = 3,870,707,902.20/x
  3. Step 3: Cross multiply
    14,210,423,998.20x = 21,315,635,997.30 × 3,870,707,902.20
  4. Step 4: Simplify right side
    14,210,423,998.20x = 82,506,600,695,167,877,120
  5. Step 5: Solve for x
    x = 82,506,600,695,167,877,120/14,210,423,998.20
  6. Step 6: Final answer
    x = 5,806,061,853.30

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Double scale
Find fourth proportional to 14,210,423,999.20, 21,315,635,998.80 and 3,870,707,903.20
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.