Home / 12,749,322,423.06-19,118,429,541.54-6,772,140,579.42

Finding the Fourth Proportional to 12,749,322,423.06, 19,118,429,541.54 and 6,772,140,579.42

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Solution

The fourth proportional to 12,749,322,423.06, 19,118,429,541.54 and 6,772,140,579.42 is: 10,155,260,665.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,749,322,423.06 : 19,118,429,541.54 = 6,772,140,579.42 : x
  2. Step 2: Convert to fraction form
    12,749,322,423.06/19,118,429,541.54 = 6,772,140,579.42/x
  3. Step 3: Cross multiply
    12,749,322,423.06x = 19,118,429,541.54 × 6,772,140,579.42
  4. Step 4: Simplify right side
    12,749,322,423.06x = 129,472,692,513,045,151,744
  5. Step 5: Solve for x
    x = 129,472,692,513,045,151,744/12,749,322,423.06
  6. Step 6: Final answer
    x = 10,155,260,665.37

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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.