Home / 384,980,008.60-577,470,012.90-298,983,669.40

Finding the Fourth Proportional to 384,980,008.60, 577,470,012.90 and 298,983,669.40

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Solution

The fourth proportional to 384,980,008.60, 577,470,012.90 and 298,983,669.40 is: 448,475,504.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,980,008.60 : 577,470,012.90 = 298,983,669.40 : x
  2. Step 2: Convert to fraction form
    384,980,008.60/577,470,012.90 = 298,983,669.40/x
  3. Step 3: Cross multiply
    384,980,008.60x = 577,470,012.90 × 298,983,669.40
  4. Step 4: Simplify right side
    384,980,008.60x = 172,654,103,425,307,328
  5. Step 5: Solve for x
    x = 172,654,103,425,307,328/384,980,008.60
  6. Step 6: Final answer
    x = 448,475,504.10

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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.