Home / 18,860,690,109.60-28,287,067,071.60-9,535,672,029.60

Finding the Fourth Proportional to 18,860,690,109.60, 28,287,067,071.60 and 9,535,672,029.60

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Solution

The fourth proportional to 18,860,690,109.60, 28,287,067,071.60 and 9,535,672,029.60 is: 14,301,501,838.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,860,690,109.60 : 28,287,067,071.60 = 9,535,672,029.60 : x
  2. Step 2: Convert to fraction form
    18,860,690,109.60/28,287,067,071.60 = 9,535,672,029.60/x
  3. Step 3: Cross multiply
    18,860,690,109.60x = 28,287,067,071.60 × 9,535,672,029.60
  4. Step 4: Simplify right side
    18,860,690,109.60x = 269,736,194,274,075,312,128
  5. Step 5: Solve for x
    x = 269,736,194,274,075,312,128/18,860,690,109.60
  6. Step 6: Final answer
    x = 14,301,501,838.30

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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.