Home / 37,698,780,918.40-52,024,474,804.80-20,782,056,837.76

Finding the Fourth Proportional to 37,698,780,918.40, 52,024,474,804.80 and 20,782,056,837.76

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Solution

The fourth proportional to 37,698,780,918.40, 52,024,474,804.80 and 20,782,056,837.76 is: 28,679,325,060.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,698,780,918.40 : 52,024,474,804.80 = 20,782,056,837.76 : x
  2. Step 2: Convert to fraction form
    37,698,780,918.40/52,024,474,804.80 = 20,782,056,837.76/x
  3. Step 3: Cross multiply
    37,698,780,918.40x = 52,024,474,804.80 × 20,782,056,837.76
  4. Step 4: Simplify right side
    37,698,780,918.40x = 1,081,175,592,347,966,636,032
  5. Step 5: Solve for x
    x = 1,081,175,592,347,966,636,032/37,698,780,918.40
  6. Step 6: Final answer
    x = 28,679,325,060.62

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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.