Home / 384,990,505.60-577,569,739.20-112,339,062.40

Finding the Fourth Proportional to 384,990,505.60, 577,569,739.20 and 112,339,062.40

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Solution

The fourth proportional to 384,990,505.60, 577,569,739.20 and 112,339,062.40 is: 168,533,098.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,990,505.60 : 577,569,739.20 = 112,339,062.40 : x
  2. Step 2: Convert to fraction form
    384,990,505.60/577,569,739.20 = 112,339,062.40/x
  3. Step 3: Cross multiply
    384,990,505.60x = 577,569,739.20 × 112,339,062.40
  4. Step 4: Simplify right side
    384,990,505.60x = 64,883,642,972,340,536
  5. Step 5: Solve for x
    x = 64,883,642,972,340,536/384,990,505.60
  6. Step 6: Final answer
    x = 168,533,098.94

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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.