Home / 275,698,803.40-413,548,205.10-146,239,775.80

Finding the Fourth Proportional to 275,698,803.40, 413,548,205.10 and 146,239,775.80

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Solution

The fourth proportional to 275,698,803.40, 413,548,205.10 and 146,239,775.80 is: 219,359,663.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,698,803.40 : 413,548,205.10 = 146,239,775.80 : x
  2. Step 2: Convert to fraction form
    275,698,803.40/413,548,205.10 = 146,239,775.80/x
  3. Step 3: Cross multiply
    275,698,803.40x = 413,548,205.10 × 146,239,775.80
  4. Step 4: Simplify right side
    275,698,803.40x = 60,477,196,796,316,424
  5. Step 5: Solve for x
    x = 60,477,196,796,316,424/275,698,803.40
  6. Step 6: Final answer
    x = 219,359,663.70

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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.