Home / 713,899,870.90-984,497,161.26-459,321,394.74

Finding the Fourth Proportional to 713,899,870.90, 984,497,161.26 and 459,321,394.74

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Solution

The fourth proportional to 713,899,870.90, 984,497,161.26 and 459,321,394.74 is: 633,423,015.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,899,870.90 : 984,497,161.26 = 459,321,394.74 : x
  2. Step 2: Convert to fraction form
    713,899,870.90/984,497,161.26 = 459,321,394.74/x
  3. Step 3: Cross multiply
    713,899,870.90x = 984,497,161.26 × 459,321,394.74
  4. Step 4: Simplify right side
    713,899,870.90x = 452,200,609,227,513,920
  5. Step 5: Solve for x
    x = 452,200,609,227,513,920/713,899,870.90
  6. Step 6: Final answer
    x = 633,423,015.83

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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.