Home / 129,378,072,554.21-194,071,062,426.66-44,386,674,874.83

Finding the Fourth Proportional to 129,378,072,554.21, 194,071,062,426.66 and 44,386,674,874.83

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Solution

The fourth proportional to 129,378,072,554.21, 194,071,062,426.66 and 44,386,674,874.83 is: 66,581,368,700.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,378,072,554.21 : 194,071,062,426.66 = 44,386,674,874.83 : x
  2. Step 2: Convert to fraction form
    129,378,072,554.21/194,071,062,426.66 = 44,386,674,874.83/x
  3. Step 3: Cross multiply
    129,378,072,554.21x = 194,071,062,426.66 × 44,386,674,874.83
  4. Step 4: Simplify right side
    129,378,072,554.21x = 8,614,169,150,544,994,631,680
  5. Step 5: Solve for x
    x = 8,614,169,150,544,994,631,680/129,378,072,554.21
  6. Step 6: Final answer
    x = 66,581,368,700.91

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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.