Home / 3,960,447,085-5,465,460,477.54-2,176,300,999.72

Finding the Fourth Proportional to 3,960,447,085, 5,465,460,477.54 and 2,176,300,999.72

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Solution

The fourth proportional to 3,960,447,085, 5,465,460,477.54 and 2,176,300,999.72 is: 3,003,319,283.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960,447,085 : 5,465,460,477.54 = 2,176,300,999.72 : x
  2. Step 2: Convert to fraction form
    3,960,447,085/5,465,460,477.54 = 2,176,300,999.72/x
  3. Step 3: Cross multiply
    3,960,447,085x = 5,465,460,477.54 × 2,176,300,999.72
  4. Step 4: Simplify right side
    3,960,447,085x = 11,894,487,101,200,449,536
  5. Step 5: Solve for x
    x = 11,894,487,101,200,449,536/3,960,447,085
  6. Step 6: Final answer
    x = 3,003,319,283.38

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1.5x scale

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.