Home / 28,045,260,163.17-42,070,476,347.28-9,158,646,817.58

Finding the Fourth Proportional to 28,045,260,163.17, 42,070,476,347.28 and 9,158,646,817.58

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Solution

The fourth proportional to 28,045,260,163.17, 42,070,476,347.28 and 9,158,646,817.58 is: 13,738,814,761.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,045,260,163.17 : 42,070,476,347.28 = 9,158,646,817.58 : x
  2. Step 2: Convert to fraction form
    28,045,260,163.17/42,070,476,347.28 = 9,158,646,817.58/x
  3. Step 3: Cross multiply
    28,045,260,163.17x = 42,070,476,347.28 × 9,158,646,817.58
  4. Step 4: Simplify right side
    28,045,260,163.17x = 385,308,634,311,880,278,016
  5. Step 5: Solve for x
    x = 385,308,634,311,880,278,016/28,045,260,163.17
  6. Step 6: Final answer
    x = 13,738,814,761.22

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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.