Home / 864,825,915.68-1,193,453,820.96-468,339,832.16

Finding the Fourth Proportional to 864,825,915.68, 1,193,453,820.96 and 468,339,832.16

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Solution

The fourth proportional to 864,825,915.68, 1,193,453,820.96 and 468,339,832.16 is: 646,305,750.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,825,915.68 : 1,193,453,820.96 = 468,339,832.16 : x
  2. Step 2: Convert to fraction form
    864,825,915.68/1,193,453,820.96 = 468,339,832.16/x
  3. Step 3: Cross multiply
    864,825,915.68x = 1,193,453,820.96 × 468,339,832.16
  4. Step 4: Simplify right side
    864,825,915.68x = 558,941,962,199,117,120
  5. Step 5: Solve for x
    x = 558,941,962,199,117,120/864,825,915.68
  6. Step 6: Final answer
    x = 646,305,750.17

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1.5x scale

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.