Home / 10,878,137,999.60-16,317,206,999.40-7,572,149,826.80

Finding the Fourth Proportional to 10,878,137,999.60, 16,317,206,999.40 and 7,572,149,826.80

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Solution

The fourth proportional to 10,878,137,999.60, 16,317,206,999.40 and 7,572,149,826.80 is: 11,358,224,740.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,878,137,999.60 : 16,317,206,999.40 = 7,572,149,826.80 : x
  2. Step 2: Convert to fraction form
    10,878,137,999.60/16,317,206,999.40 = 7,572,149,826.80/x
  3. Step 3: Cross multiply
    10,878,137,999.60x = 16,317,206,999.40 × 7,572,149,826.80
  4. Step 4: Simplify right side
    10,878,137,999.60x = 123,556,336,154,366,459,904
  5. Step 5: Solve for x
    x = 123,556,336,154,366,459,904/10,878,137,999.60
  6. Step 6: Final answer
    x = 11,358,224,740.20

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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.