Home / 5,109,460,460.32-7,664,139,596.70-1,615,866,528.64

Finding the Fourth Proportional to 5,109,460,460.32, 7,664,139,596.70 and 1,615,866,528.64

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Solution

The fourth proportional to 5,109,460,460.32, 7,664,139,596.70 and 1,615,866,528.64 is: 2,423,783,634.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,109,460,460.32 : 7,664,139,596.70 = 1,615,866,528.64 : x
  2. Step 2: Convert to fraction form
    5,109,460,460.32/7,664,139,596.70 = 1,615,866,528.64/x
  3. Step 3: Cross multiply
    5,109,460,460.32x = 7,664,139,596.70 × 1,615,866,528.64
  4. Step 4: Simplify right side
    5,109,460,460.32x = 12,384,226,645,131,999,232
  5. Step 5: Solve for x
    x = 12,384,226,645,131,999,232/5,109,460,460.32
  6. Step 6: Final answer
    x = 2,423,783,634.56

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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.