Home / 20,535,577,408.60-30,803,366,112.90-19,147,878,669.40

Finding the Fourth Proportional to 20,535,577,408.60, 30,803,366,112.90 and 19,147,878,669.40

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Solution

The fourth proportional to 20,535,577,408.60, 30,803,366,112.90 and 19,147,878,669.40 is: 28,721,818,004.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,535,577,408.60 : 30,803,366,112.90 = 19,147,878,669.40 : x
  2. Step 2: Convert to fraction form
    20,535,577,408.60/30,803,366,112.90 = 19,147,878,669.40/x
  3. Step 3: Cross multiply
    20,535,577,408.60x = 30,803,366,112.90 × 19,147,878,669.40
  4. Step 4: Simplify right side
    20,535,577,408.60x = 589,819,116,938,916,790,272
  5. Step 5: Solve for x
    x = 589,819,116,938,916,790,272/20,535,577,408.60
  6. Step 6: Final answer
    x = 28,721,818,004.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.