Home / 21,355,076,679.68-32,010,191,817.60-7,185,123,346.88

Finding the Fourth Proportional to 21,355,076,679.68, 32,010,191,817.60 and 7,185,123,346.88

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Solution

The fourth proportional to 21,355,076,679.68, 32,010,191,817.60 and 7,185,123,346.88 is: 10,770,140,515.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,355,076,679.68 : 32,010,191,817.60 = 7,185,123,346.88 : x
  2. Step 2: Convert to fraction form
    21,355,076,679.68/32,010,191,817.60 = 7,185,123,346.88/x
  3. Step 3: Cross multiply
    21,355,076,679.68x = 32,010,191,817.60 × 7,185,123,346.88
  4. Step 4: Simplify right side
    21,355,076,679.68x = 229,997,176,566,744,907,776
  5. Step 5: Solve for x
    x = 229,997,176,566,744,907,776/21,355,076,679.68
  6. Step 6: Final answer
    x = 10,770,140,515.84

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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.