Home / 384,914,823.80-577,372,235.70-312,355,412.60

Finding the Fourth Proportional to 384,914,823.80, 577,372,235.70 and 312,355,412.60

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Solution

The fourth proportional to 384,914,823.80, 577,372,235.70 and 312,355,412.60 is: 468,533,118.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,914,823.80 : 577,372,235.70 = 312,355,412.60 : x
  2. Step 2: Convert to fraction form
    384,914,823.80/577,372,235.70 = 312,355,412.60/x
  3. Step 3: Cross multiply
    384,914,823.80x = 577,372,235.70 × 312,355,412.60
  4. Step 4: Simplify right side
    384,914,823.80x = 180,345,342,905,857,984
  5. Step 5: Solve for x
    x = 180,345,342,905,857,984/384,914,823.80
  6. Step 6: Final answer
    x = 468,533,118.90

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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.