Home / 833,911,580.68-1,250,861,952.81-212,121,500.32

Finding the Fourth Proportional to 833,911,580.68, 1,250,861,952.81 and 212,121,500.32

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Solution

The fourth proportional to 833,911,580.68, 1,250,861,952.81 and 212,121,500.32 is: 318,180,872.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,911,580.68 : 1,250,861,952.81 = 212,121,500.32 : x
  2. Step 2: Convert to fraction form
    833,911,580.68/1,250,861,952.81 = 212,121,500.32/x
  3. Step 3: Cross multiply
    833,911,580.68x = 1,250,861,952.81 × 212,121,500.32
  4. Step 4: Simplify right side
    833,911,580.68x = 265,334,714,117,986,848
  5. Step 5: Solve for x
    x = 265,334,714,117,986,848/833,911,580.68
  6. Step 6: Final answer
    x = 318,180,872.25

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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.