Home / 488,593,256.40-732,889,884.60-440,220,315.60

Finding the Fourth Proportional to 488,593,256.40, 732,889,884.60 and 440,220,315.60

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Solution

The fourth proportional to 488,593,256.40, 732,889,884.60 and 440,220,315.60 is: 660,330,473.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,593,256.40 : 732,889,884.60 = 440,220,315.60 : x
  2. Step 2: Convert to fraction form
    488,593,256.40/732,889,884.60 = 440,220,315.60/x
  3. Step 3: Cross multiply
    488,593,256.40x = 732,889,884.60 × 440,220,315.60
  4. Step 4: Simplify right side
    488,593,256.40x = 322,633,016,298,659,584
  5. Step 5: Solve for x
    x = 322,633,016,298,659,584/488,593,256.40
  6. Step 6: Final answer
    x = 660,330,473.40

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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.