Home / 10,903,256,999.40-16,354,885,499.10-8,291,118,196.20

Finding the Fourth Proportional to 10,903,256,999.40, 16,354,885,499.10 and 8,291,118,196.20

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Solution

The fourth proportional to 10,903,256,999.40, 16,354,885,499.10 and 8,291,118,196.20 is: 12,436,677,294.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,903,256,999.40 : 16,354,885,499.10 = 8,291,118,196.20 : x
  2. Step 2: Convert to fraction form
    10,903,256,999.40/16,354,885,499.10 = 8,291,118,196.20/x
  3. Step 3: Cross multiply
    10,903,256,999.40x = 16,354,885,499.10 × 8,291,118,196.20
  4. Step 4: Simplify right side
    10,903,256,999.40x = 135,600,288,758,355,525,632
  5. Step 5: Solve for x
    x = 135,600,288,758,355,525,632/10,903,256,999.40
  6. Step 6: Final answer
    x = 12,436,677,294.30

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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.