Home / 30,267,289,225.80-45,400,933,838.70-20,852,971,343.10

Finding the Fourth Proportional to 30,267,289,225.80, 45,400,933,838.70 and 20,852,971,343.10

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Solution

The fourth proportional to 30,267,289,225.80, 45,400,933,838.70 and 20,852,971,343.10 is: 31,279,457,014.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,267,289,225.80 : 45,400,933,838.70 = 20,852,971,343.10 : x
  2. Step 2: Convert to fraction form
    30,267,289,225.80/45,400,933,838.70 = 20,852,971,343.10/x
  3. Step 3: Cross multiply
    30,267,289,225.80x = 45,400,933,838.70 × 20,852,971,343.10
  4. Step 4: Simplify right side
    30,267,289,225.80x = 946,744,372,288,390,037,504
  5. Step 5: Solve for x
    x = 946,744,372,288,390,037,504/30,267,289,225.80
  6. Step 6: Final answer
    x = 31,279,457,014.65

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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.