Home / 21,438,486,558.70-29,585,927,705.24-11,923,726,327.00

Finding the Fourth Proportional to 21,438,486,558.70, 29,585,927,705.24 and 11,923,726,327.00

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Solution

The fourth proportional to 21,438,486,558.70, 29,585,927,705.24 and 11,923,726,327.00 is: 16,455,196,318.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,438,486,558.70 : 29,585,927,705.24 = 11,923,726,327.00 : x
  2. Step 2: Convert to fraction form
    21,438,486,558.70/29,585,927,705.24 = 11,923,726,327.00/x
  3. Step 3: Cross multiply
    21,438,486,558.70x = 29,585,927,705.24 × 11,923,726,327.00
  4. Step 4: Simplify right side
    21,438,486,558.70x = 352,774,505,087,635,881,984
  5. Step 5: Solve for x
    x = 352,774,505,087,635,881,984/21,438,486,558.70
  6. Step 6: Final answer
    x = 16,455,196,318.16

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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.