Home / 50,756,407,423.75-76,137,140,019.93-19,316,493,381.21

Finding the Fourth Proportional to 50,756,407,423.75, 76,137,140,019.93 and 19,316,493,381.21

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Solution

The fourth proportional to 50,756,407,423.75, 76,137,140,019.93 and 19,316,493,381.21 is: 28,975,702,495.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,756,407,423.75 : 76,137,140,019.93 = 19,316,493,381.21 : x
  2. Step 2: Convert to fraction form
    50,756,407,423.75/76,137,140,019.93 = 19,316,493,381.21/x
  3. Step 3: Cross multiply
    50,756,407,423.75x = 76,137,140,019.93 × 19,316,493,381.21
  4. Step 4: Simplify right side
    50,756,407,423.75x = 1,470,702,561,259,236,622,336
  5. Step 5: Solve for x
    x = 1,470,702,561,259,236,622,336/50,756,407,423.75
  6. Step 6: Final answer
    x = 28,975,702,495.66

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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.