Home / 28,189,622,657.70-38,902,702,094.51-16,148,960,554.18

Finding the Fourth Proportional to 28,189,622,657.70, 38,902,702,094.51 and 16,148,960,554.18

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Solution

The fourth proportional to 28,189,622,657.70, 38,902,702,094.51 and 16,148,960,554.18 is: 22,286,151,510.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,189,622,657.70 : 38,902,702,094.51 = 16,148,960,554.18 : x
  2. Step 2: Convert to fraction form
    28,189,622,657.70/38,902,702,094.51 = 16,148,960,554.18/x
  3. Step 3: Cross multiply
    28,189,622,657.70x = 38,902,702,094.51 × 16,148,960,554.18
  4. Step 4: Simplify right side
    28,189,622,657.70x = 628,238,201,575,257,669,632
  5. Step 5: Solve for x
    x = 628,238,201,575,257,669,632/28,189,622,657.70
  6. Step 6: Final answer
    x = 22,286,151,510.57

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.