Home / 21,832,059,281.47-30,128,241,775.87-11,807,554,128.59

Finding the Fourth Proportional to 21,832,059,281.47, 30,128,241,775.87 and 11,807,554,128.59

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Solution

The fourth proportional to 21,832,059,281.47, 30,128,241,775.87 and 11,807,554,128.59 is: 16,294,424,679.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,832,059,281.47 : 30,128,241,775.87 = 11,807,554,128.59 : x
  2. Step 2: Convert to fraction form
    21,832,059,281.47/30,128,241,775.87 = 11,807,554,128.59/x
  3. Step 3: Cross multiply
    21,832,059,281.47x = 30,128,241,775.87 × 11,807,554,128.59
  4. Step 4: Simplify right side
    21,832,059,281.47x = 355,740,845,567,945,539,584
  5. Step 5: Solve for x
    x = 355,740,845,567,945,539,584/21,832,059,281.47
  6. Step 6: Final answer
    x = 16,294,424,679.85

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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.