Home / 12,779,482,086-19,171,282,960.62-3,936,316,827.47

Finding the Fourth Proportional to 12,779,482,086, 19,171,282,960.62 and 3,936,316,827.47

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Solution

The fourth proportional to 12,779,482,086, 19,171,282,960.62 and 3,936,316,827.47 is: 5,905,109,707.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,779,482,086 : 19,171,282,960.62 = 3,936,316,827.47 : x
  2. Step 2: Convert to fraction form
    12,779,482,086/19,171,282,960.62 = 3,936,316,827.47/x
  3. Step 3: Cross multiply
    12,779,482,086x = 19,171,282,960.62 × 3,936,316,827.47
  4. Step 4: Simplify right side
    12,779,482,086x = 75,464,243,721,961,865,216
  5. Step 5: Solve for x
    x = 75,464,243,721,961,865,216/12,779,482,086
  6. Step 6: Final answer
    x = 5,905,109,707.43

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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.