Home / 19,132,848,015.40-28,699,272,023.10-18,702,866,319.40

Finding the Fourth Proportional to 19,132,848,015.40, 28,699,272,023.10 and 18,702,866,319.40

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Solution

The fourth proportional to 19,132,848,015.40, 28,699,272,023.10 and 18,702,866,319.40 is: 28,054,299,479.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,132,848,015.40 : 28,699,272,023.10 = 18,702,866,319.40 : x
  2. Step 2: Convert to fraction form
    19,132,848,015.40/28,699,272,023.10 = 18,702,866,319.40/x
  3. Step 3: Cross multiply
    19,132,848,015.40x = 28,699,272,023.10 × 18,702,866,319.40
  4. Step 4: Simplify right side
    19,132,848,015.40x = 536,758,648,112,135,733,248
  5. Step 5: Solve for x
    x = 536,758,648,112,135,733,248/19,132,848,015.40
  6. Step 6: Final answer
    x = 28,054,299,479.10

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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.