Home / 818,041,240.36-1,128,924,769.86-483,800,281

Finding the Fourth Proportional to 818,041,240.36, 1,128,924,769.86 and 483,800,281

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Solution

The fourth proportional to 818,041,240.36, 1,128,924,769.86 and 483,800,281 is: 667,660,863.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,041,240.36 : 1,128,924,769.86 = 483,800,281 : x
  2. Step 2: Convert to fraction form
    818,041,240.36/1,128,924,769.86 = 483,800,281/x
  3. Step 3: Cross multiply
    818,041,240.36x = 1,128,924,769.86 × 483,800,281
  4. Step 4: Simplify right side
    818,041,240.36x = 546,174,120,886,128,256
  5. Step 5: Solve for x
    x = 546,174,120,886,128,256/818,041,240.36
  6. Step 6: Final answer
    x = 667,660,863.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.