Home / 868,968,124.20-1,303,452,186.30-255,614,351.40

Finding the Fourth Proportional to 868,968,124.20, 1,303,452,186.30 and 255,614,351.40

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Solution

The fourth proportional to 868,968,124.20, 1,303,452,186.30 and 255,614,351.40 is: 383,421,527.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,968,124.20 : 1,303,452,186.30 = 255,614,351.40 : x
  2. Step 2: Convert to fraction form
    868,968,124.20/1,303,452,186.30 = 255,614,351.40/x
  3. Step 3: Cross multiply
    868,968,124.20x = 1,303,452,186.30 × 255,614,351.40
  4. Step 4: Simplify right side
    868,968,124.20x = 333,181,085,181,986,432
  5. Step 5: Solve for x
    x = 333,181,085,181,986,432/868,968,124.20
  6. Step 6: Final answer
    x = 383,421,527.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.