Home / 39,167,863,574.07-58,763,322,312.25-12,637,882,443.63

Finding the Fourth Proportional to 39,167,863,574.07, 58,763,322,312.25 and 12,637,882,443.63

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Solution

The fourth proportional to 39,167,863,574.07, 58,763,322,312.25 and 12,637,882,443.63 is: 18,960,542,945.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,167,863,574.07 : 58,763,322,312.25 = 12,637,882,443.63 : x
  2. Step 2: Convert to fraction form
    39,167,863,574.07/58,763,322,312.25 = 12,637,882,443.63/x
  3. Step 3: Cross multiply
    39,167,863,574.07x = 58,763,322,312.25 × 12,637,882,443.63
  4. Step 4: Simplify right side
    39,167,863,574.07x = 742,643,959,379,355,238,400
  5. Step 5: Solve for x
    x = 742,643,959,379,355,238,400/39,167,863,574.07
  6. Step 6: Final answer
    x = 18,960,542,945.49

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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.