Home / 12,754,931,450.70-19,132,397,176.05-12,582,938,772.30

Finding the Fourth Proportional to 12,754,931,450.70, 19,132,397,176.05 and 12,582,938,772.30

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Solution

The fourth proportional to 12,754,931,450.70, 19,132,397,176.05 and 12,582,938,772.30 is: 18,874,408,158.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,754,931,450.70 : 19,132,397,176.05 = 12,582,938,772.30 : x
  2. Step 2: Convert to fraction form
    12,754,931,450.70/19,132,397,176.05 = 12,582,938,772.30/x
  3. Step 3: Cross multiply
    12,754,931,450.70x = 19,132,397,176.05 × 12,582,938,772.30
  4. Step 4: Simplify right side
    12,754,931,450.70x = 240,741,782,233,562,546,176
  5. Step 5: Solve for x
    x = 240,741,782,233,562,546,176/12,754,931,450.70
  6. Step 6: Final answer
    x = 18,874,408,158.45

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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.