Home / 700,709,361.13-966,523,289.86-449,415,719.73

Finding the Fourth Proportional to 700,709,361.13, 966,523,289.86 and 449,415,719.73

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Solution

The fourth proportional to 700,709,361.13, 966,523,289.86 and 449,415,719.73 is: 619,901,465.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,709,361.13 : 966,523,289.86 = 449,415,719.73 : x
  2. Step 2: Convert to fraction form
    700,709,361.13/966,523,289.86 = 449,415,719.73/x
  3. Step 3: Cross multiply
    700,709,361.13x = 966,523,289.86 × 449,415,719.73
  4. Step 4: Simplify right side
    700,709,361.13x = 434,370,759,948,239,360
  5. Step 5: Solve for x
    x = 434,370,759,948,239,360/700,709,361.13
  6. Step 6: Final answer
    x = 619,901,465.63

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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.