Home / 384,980,000.10-577,470,000.15-298,983,660.90

Finding the Fourth Proportional to 384,980,000.10, 577,470,000.15 and 298,983,660.90

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Solution

The fourth proportional to 384,980,000.10, 577,470,000.15 and 298,983,660.90 is: 448,475,491.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,980,000.10 : 577,470,000.15 = 298,983,660.90 : x
  2. Step 2: Convert to fraction form
    384,980,000.10/577,470,000.15 = 298,983,660.90/x
  3. Step 3: Cross multiply
    384,980,000.10x = 577,470,000.15 × 298,983,660.90
  4. Step 4: Simplify right side
    384,980,000.10x = 172,654,094,704,770,528
  5. Step 5: Solve for x
    x = 172,654,094,704,770,528/384,980,000.10
  6. Step 6: Final answer
    x = 448,475,491.35

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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.