Home / 6,338,426,679.80-9,507,640,019.70-3,886,145,329.40

Finding the Fourth Proportional to 6,338,426,679.80, 9,507,640,019.70 and 3,886,145,329.40

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Solution

The fourth proportional to 6,338,426,679.80, 9,507,640,019.70 and 3,886,145,329.40 is: 5,829,217,994.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,338,426,679.80 : 9,507,640,019.70 = 3,886,145,329.40 : x
  2. Step 2: Convert to fraction form
    6,338,426,679.80/9,507,640,019.70 = 3,886,145,329.40/x
  3. Step 3: Cross multiply
    6,338,426,679.80x = 9,507,640,019.70 × 3,886,145,329.40
  4. Step 4: Simplify right side
    6,338,426,679.80x = 36,948,070,856,173,682,688
  5. Step 5: Solve for x
    x = 36,948,070,856,173,682,688/6,338,426,679.80
  6. Step 6: Final answer
    x = 5,829,217,994.10

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Double scale
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Similar ratio
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1.5x scale

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.