Home / 3,960,447,091-5,465,460,485.82-2,176,301,005.72

Finding the Fourth Proportional to 3,960,447,091, 5,465,460,485.82 and 2,176,301,005.72

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Solution

The fourth proportional to 3,960,447,091, 5,465,460,485.82 and 2,176,301,005.72 is: 3,003,319,291.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960,447,091 : 5,465,460,485.82 = 2,176,301,005.72 : x
  2. Step 2: Convert to fraction form
    3,960,447,091/5,465,460,485.82 = 2,176,301,005.72/x
  3. Step 3: Cross multiply
    3,960,447,091x = 5,465,460,485.82 × 2,176,301,005.72
  4. Step 4: Simplify right side
    3,960,447,091x = 11,894,487,152,012,984,320
  5. Step 5: Solve for x
    x = 11,894,487,152,012,984,320/3,960,447,091
  6. Step 6: Final answer
    x = 3,003,319,291.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.