Home / 12,239,148,323.10-18,358,722,484.65-3,958,872,390.30

Finding the Fourth Proportional to 12,239,148,323.10, 18,358,722,484.65 and 3,958,872,390.30

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Solution

The fourth proportional to 12,239,148,323.10, 18,358,722,484.65 and 3,958,872,390.30 is: 5,938,308,585.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,239,148,323.10 : 18,358,722,484.65 = 3,958,872,390.30 : x
  2. Step 2: Convert to fraction form
    12,239,148,323.10/18,358,722,484.65 = 3,958,872,390.30/x
  3. Step 3: Cross multiply
    12,239,148,323.10x = 18,358,722,484.65 × 3,958,872,390.30
  4. Step 4: Simplify right side
    12,239,148,323.10x = 72,679,839,565,660,708,864
  5. Step 5: Solve for x
    x = 72,679,839,565,660,708,864/12,239,148,323.10
  6. Step 6: Final answer
    x = 5,938,308,585.45

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Double scale
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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.