Home / 360,490,523.60-540,735,785.40-239,321,975.60

Finding the Fourth Proportional to 360,490,523.60, 540,735,785.40 and 239,321,975.60

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Solution

The fourth proportional to 360,490,523.60, 540,735,785.40 and 239,321,975.60 is: 358,982,963.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,490,523.60 : 540,735,785.40 = 239,321,975.60 : x
  2. Step 2: Convert to fraction form
    360,490,523.60/540,735,785.40 = 239,321,975.60/x
  3. Step 3: Cross multiply
    360,490,523.60x = 540,735,785.40 × 239,321,975.60
  4. Step 4: Simplify right side
    360,490,523.60x = 129,409,956,439,545,632
  5. Step 5: Solve for x
    x = 129,409,956,439,545,632/360,490,523.60
  6. Step 6: Final answer
    x = 358,982,963.40

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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.