Home / 384,980,385.60-577,470,578.40-298,984,046.40

Finding the Fourth Proportional to 384,980,385.60, 577,470,578.40 and 298,984,046.40

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Solution

The fourth proportional to 384,980,385.60, 577,470,578.40 and 298,984,046.40 is: 448,476,069.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,980,385.60 : 577,470,578.40 = 298,984,046.40 : x
  2. Step 2: Convert to fraction form
    384,980,385.60/577,470,578.40 = 298,984,046.40/x
  3. Step 3: Cross multiply
    384,980,385.60x = 577,470,578.40 × 298,984,046.40
  4. Step 4: Simplify right side
    384,980,385.60x = 172,654,490,206,980,416
  5. Step 5: Solve for x
    x = 172,654,490,206,980,416/384,980,385.60
  6. Step 6: Final answer
    x = 448,476,069.60

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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.