Home / 347,004,010.60-520,506,015.90-331,698,509.80

Finding the Fourth Proportional to 347,004,010.60, 520,506,015.90 and 331,698,509.80

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Solution

The fourth proportional to 347,004,010.60, 520,506,015.90 and 331,698,509.80 is: 497,547,764.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,004,010.60 : 520,506,015.90 = 331,698,509.80 : x
  2. Step 2: Convert to fraction form
    347,004,010.60/520,506,015.90 = 331,698,509.80/x
  3. Step 3: Cross multiply
    347,004,010.60x = 520,506,015.90 × 331,698,509.80
  4. Step 4: Simplify right side
    347,004,010.60x = 172,651,069,815,965,120
  5. Step 5: Solve for x
    x = 172,651,069,815,965,120/347,004,010.60
  6. Step 6: Final answer
    x = 497,547,764.70

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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.