Home / 346,758,793.20-520,138,189.80-315,014,050.80

Finding the Fourth Proportional to 346,758,793.20, 520,138,189.80 and 315,014,050.80

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Solution

The fourth proportional to 346,758,793.20, 520,138,189.80 and 315,014,050.80 is: 472,521,076.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,758,793.20 : 520,138,189.80 = 315,014,050.80 : x
  2. Step 2: Convert to fraction form
    346,758,793.20/520,138,189.80 = 315,014,050.80/x
  3. Step 3: Cross multiply
    346,758,793.20x = 520,138,189.80 × 315,014,050.80
  4. Step 4: Simplify right side
    346,758,793.20x = 163,850,838,144,677,248
  5. Step 5: Solve for x
    x = 163,850,838,144,677,248/346,758,793.20
  6. Step 6: Final answer
    x = 472,521,076.20

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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.