Home / 8,985,840,728.42-13,452,533,888.38-5,243,664,678.50

Finding the Fourth Proportional to 8,985,840,728.42, 13,452,533,888.38 and 5,243,664,678.50

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Solution

The fourth proportional to 8,985,840,728.42, 13,452,533,888.38 and 5,243,664,678.50 is: 7,850,192,198.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,985,840,728.42 : 13,452,533,888.38 = 5,243,664,678.50 : x
  2. Step 2: Convert to fraction form
    8,985,840,728.42/13,452,533,888.38 = 5,243,664,678.50/x
  3. Step 3: Cross multiply
    8,985,840,728.42x = 13,452,533,888.38 × 5,243,664,678.50
  4. Step 4: Simplify right side
    8,985,840,728.42x = 70,540,576,786,822,463,488
  5. Step 5: Solve for x
    x = 70,540,576,786,822,463,488/8,985,840,728.42
  6. Step 6: Final answer
    x = 7,850,192,198.90

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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.