Home / 8,013,168,403.20-12,019,752,604.80-7,156,060,358.40

Finding the Fourth Proportional to 8,013,168,403.20, 12,019,752,604.80 and 7,156,060,358.40

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Solution

The fourth proportional to 8,013,168,403.20, 12,019,752,604.80 and 7,156,060,358.40 is: 10,734,090,537.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,013,168,403.20 : 12,019,752,604.80 = 7,156,060,358.40 : x
  2. Step 2: Convert to fraction form
    8,013,168,403.20/12,019,752,604.80 = 7,156,060,358.40/x
  3. Step 3: Cross multiply
    8,013,168,403.20x = 12,019,752,604.80 × 7,156,060,358.40
  4. Step 4: Simplify right side
    8,013,168,403.20x = 86,014,075,132,984,410,112
  5. Step 5: Solve for x
    x = 86,014,075,132,984,410,112/8,013,168,403.20
  6. Step 6: Final answer
    x = 10,734,090,537.60

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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.