Home / 531,878,928.36-798,129,286.52-384,180,845.64

Finding the Fourth Proportional to 531,878,928.36, 798,129,286.52 and 384,180,845.64

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Solution

The fourth proportional to 531,878,928.36, 798,129,286.52 and 384,180,845.64 is: 576,495,829.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,878,928.36 : 798,129,286.52 = 384,180,845.64 : x
  2. Step 2: Convert to fraction form
    531,878,928.36/798,129,286.52 = 384,180,845.64/x
  3. Step 3: Cross multiply
    531,878,928.36x = 798,129,286.52 × 384,180,845.64
  4. Step 4: Simplify right side
    531,878,928.36x = 306,625,984,225,303,424
  5. Step 5: Solve for x
    x = 306,625,984,225,303,424/531,878,928.36
  6. Step 6: Final answer
    x = 576,495,829.93

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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.