Home / 18,358,538,129.25-27,543,427,228.92-9,401,069,617.54

Finding the Fourth Proportional to 18,358,538,129.25, 27,543,427,228.92 and 9,401,069,617.54

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Solution

The fourth proportional to 18,358,538,129.25, 27,543,427,228.92 and 9,401,069,617.54 is: 14,104,482,342.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,358,538,129.25 : 27,543,427,228.92 = 9,401,069,617.54 : x
  2. Step 2: Convert to fraction form
    18,358,538,129.25/27,543,427,228.92 = 9,401,069,617.54/x
  3. Step 3: Cross multiply
    18,358,538,129.25x = 27,543,427,228.92 × 9,401,069,617.54
  4. Step 4: Simplify right side
    18,358,538,129.25x = 258,937,676,884,636,106,752
  5. Step 5: Solve for x
    x = 258,937,676,884,636,106,752/18,358,538,129.25
  6. Step 6: Final answer
    x = 14,104,482,342.86

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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.