Home / 13,116,801,263.76-18,101,617,412.04-7,176,217,821.84

Finding the Fourth Proportional to 13,116,801,263.76, 18,101,617,412.04 and 7,176,217,821.84

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Solution

The fourth proportional to 13,116,801,263.76, 18,101,617,412.04 and 7,176,217,821.84 is: 9,903,416,760.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,116,801,263.76 : 18,101,617,412.04 = 7,176,217,821.84 : x
  2. Step 2: Convert to fraction form
    13,116,801,263.76/18,101,617,412.04 = 7,176,217,821.84/x
  3. Step 3: Cross multiply
    13,116,801,263.76x = 18,101,617,412.04 × 7,176,217,821.84
  4. Step 4: Simplify right side
    13,116,801,263.76x = 129,901,149,476,410,720,256
  5. Step 5: Solve for x
    x = 129,901,149,476,410,720,256/13,116,801,263.76
  6. Step 6: Final answer
    x = 9,903,416,760.25

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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.