Home / 684,249,380.76-944,271,162.52-370,984,200.60

Finding the Fourth Proportional to 684,249,380.76, 944,271,162.52 and 370,984,200.60

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Solution

The fourth proportional to 684,249,380.76, 944,271,162.52 and 370,984,200.60 is: 511,962,001.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,249,380.76 : 944,271,162.52 = 370,984,200.60 : x
  2. Step 2: Convert to fraction form
    684,249,380.76/944,271,162.52 = 370,984,200.60/x
  3. Step 3: Cross multiply
    684,249,380.76x = 944,271,162.52 × 370,984,200.60
  4. Step 4: Simplify right side
    684,249,380.76x = 350,309,682,377,114,880
  5. Step 5: Solve for x
    x = 350,309,682,377,114,880/684,249,380.76
  6. Step 6: Final answer
    x = 511,962,001.32

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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.