Home / 28,615,492,015.08-42,927,900,567.84-8,448,956,383.48

Finding the Fourth Proportional to 28,615,492,015.08, 42,927,900,567.84 and 8,448,956,383.48

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Solution

The fourth proportional to 28,615,492,015.08, 42,927,900,567.84 and 8,448,956,383.48 is: 12,674,811,229.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,615,492,015.08 : 42,927,900,567.84 = 8,448,956,383.48 : x
  2. Step 2: Convert to fraction form
    28,615,492,015.08/42,927,900,567.84 = 8,448,956,383.48/x
  3. Step 3: Cross multiply
    28,615,492,015.08x = 42,927,900,567.84 × 8,448,956,383.48
  4. Step 4: Simplify right side
    28,615,492,015.08x = 362,695,959,532,046,450,688
  5. Step 5: Solve for x
    x = 362,695,959,532,046,450,688/28,615,492,015.08
  6. Step 6: Final answer
    x = 12,674,811,229.56

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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.