Home / 50,756,407,420.75-76,137,140,015.43-19,316,493,378.21

Finding the Fourth Proportional to 50,756,407,420.75, 76,137,140,015.43 and 19,316,493,378.21

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Solution

The fourth proportional to 50,756,407,420.75, 76,137,140,015.43 and 19,316,493,378.21 is: 28,975,702,491.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,756,407,420.75 : 76,137,140,015.43 = 19,316,493,378.21 : x
  2. Step 2: Convert to fraction form
    50,756,407,420.75/76,137,140,015.43 = 19,316,493,378.21/x
  3. Step 3: Cross multiply
    50,756,407,420.75x = 76,137,140,015.43 × 19,316,493,378.21
  4. Step 4: Simplify right side
    50,756,407,420.75x = 1,470,702,560,943,520,612,352
  5. Step 5: Solve for x
    x = 1,470,702,560,943,520,612,352/50,756,407,420.75
  6. Step 6: Final answer
    x = 28,975,702,491.16

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Double scale
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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.