Home / 12,317,183,999.60-18,475,775,999.40-11,070,237,081.20

Finding the Fourth Proportional to 12,317,183,999.60, 18,475,775,999.40 and 11,070,237,081.20

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Solution

The fourth proportional to 12,317,183,999.60, 18,475,775,999.40 and 11,070,237,081.20 is: 16,605,355,621.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,317,183,999.60 : 18,475,775,999.40 = 11,070,237,081.20 : x
  2. Step 2: Convert to fraction form
    12,317,183,999.60/18,475,775,999.40 = 11,070,237,081.20/x
  3. Step 3: Cross multiply
    12,317,183,999.60x = 18,475,775,999.40 × 11,070,237,081.20
  4. Step 4: Simplify right side
    12,317,183,999.60x = 204,531,220,572,502,884,352
  5. Step 5: Solve for x
    x = 204,531,220,572,502,884,352/12,317,183,999.60
  6. Step 6: Final answer
    x = 16,605,355,621.80

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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.