Home / 12,380,709,321.18-17,086,096,159.80-9,323,412,507.26

Finding the Fourth Proportional to 12,380,709,321.18, 17,086,096,159.80 and 9,323,412,507.26

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Solution

The fourth proportional to 12,380,709,321.18, 17,086,096,159.80 and 9,323,412,507.26 is: 12,866,849,427.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,380,709,321.18 : 17,086,096,159.80 = 9,323,412,507.26 : x
  2. Step 2: Convert to fraction form
    12,380,709,321.18/17,086,096,159.80 = 9,323,412,507.26/x
  3. Step 3: Cross multiply
    12,380,709,321.18x = 17,086,096,159.80 × 9,323,412,507.26
  4. Step 4: Simplify right side
    12,380,709,321.18x = 159,300,722,636,526,387,200
  5. Step 5: Solve for x
    x = 159,300,722,636,526,387,200/12,380,709,321.18
  6. Step 6: Final answer
    x = 12,866,849,427.12

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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.