Home / 676,433,971.52-933,447,639.84-383,080,650.56

Finding the Fourth Proportional to 676,433,971.52, 933,447,639.84 and 383,080,650.56

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Solution

The fourth proportional to 676,433,971.52, 933,447,639.84 and 383,080,650.56 is: 528,633,605.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,433,971.52 : 933,447,639.84 = 383,080,650.56 : x
  2. Step 2: Convert to fraction form
    676,433,971.52/933,447,639.84 = 383,080,650.56/x
  3. Step 3: Cross multiply
    676,433,971.52x = 933,447,639.84 × 383,080,650.56
  4. Step 4: Simplify right side
    676,433,971.52x = 357,585,729,133,603,776
  5. Step 5: Solve for x
    x = 357,585,729,133,603,776/676,433,971.52
  6. Step 6: Final answer
    x = 528,633,605.33

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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.