Home / 12,312,378,538.56-16,991,107,420.24-6,673,598,209.80

Finding the Fourth Proportional to 12,312,378,538.56, 16,991,107,420.24 and 6,673,598,209.80

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Solution

The fourth proportional to 12,312,378,538.56, 16,991,107,420.24 and 6,673,598,209.80 is: 9,209,579,100.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,312,378,538.56 : 16,991,107,420.24 = 6,673,598,209.80 : x
  2. Step 2: Convert to fraction form
    12,312,378,538.56/16,991,107,420.24 = 6,673,598,209.80/x
  3. Step 3: Cross multiply
    12,312,378,538.56x = 16,991,107,420.24 × 6,673,598,209.80
  4. Step 4: Simplify right side
    12,312,378,538.56x = 113,391,824,062,186,209,280
  5. Step 5: Solve for x
    x = 113,391,824,062,186,209,280/12,312,378,538.56
  6. Step 6: Final answer
    x = 9,209,579,100.18

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Double scale
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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.