Home / 12,486,565,374.04-18,722,368,218.93-3,974,271,258.16

Finding the Fourth Proportional to 12,486,565,374.04, 18,722,368,218.93 and 3,974,271,258.16

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Solution

The fourth proportional to 12,486,565,374.04, 18,722,368,218.93 and 3,974,271,258.16 is: 5,959,026,174.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,486,565,374.04 : 18,722,368,218.93 = 3,974,271,258.16 : x
  2. Step 2: Convert to fraction form
    12,486,565,374.04/18,722,368,218.93 = 3,974,271,258.16/x
  3. Step 3: Cross multiply
    12,486,565,374.04x = 18,722,368,218.93 × 3,974,271,258.16
  4. Step 4: Simplify right side
    12,486,565,374.04x = 74,407,769,897,181,724,672
  5. Step 5: Solve for x
    x = 74,407,769,897,181,724,672/12,486,565,374.04
  6. Step 6: Final answer
    x = 5,959,026,174.79

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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.