Home / 8,382,947,793.60-12,574,421,690.40-7,136,506,072.20

Finding the Fourth Proportional to 8,382,947,793.60, 12,574,421,690.40 and 7,136,506,072.20

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Solution

The fourth proportional to 8,382,947,793.60, 12,574,421,690.40 and 7,136,506,072.20 is: 10,704,759,108.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,382,947,793.60 : 12,574,421,690.40 = 7,136,506,072.20 : x
  2. Step 2: Convert to fraction form
    8,382,947,793.60/12,574,421,690.40 = 7,136,506,072.20/x
  3. Step 3: Cross multiply
    8,382,947,793.60x = 12,574,421,690.40 × 7,136,506,072.20
  4. Step 4: Simplify right side
    8,382,947,793.60x = 89,737,436,747,942,985,728
  5. Step 5: Solve for x
    x = 89,737,436,747,942,985,728/8,382,947,793.60
  6. Step 6: Final answer
    x = 10,704,759,108.30

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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.