Home / 440,034,607,002.30-660,051,910,503.45-289,405,520,879.10

Finding the Fourth Proportional to 440,034,607,002.30, 660,051,910,503.45 and 289,405,520,879.10

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Solution

The fourth proportional to 440,034,607,002.30, 660,051,910,503.45 and 289,405,520,879.10 is: 434,108,281,318.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,034,607,002.30 : 660,051,910,503.45 = 289,405,520,879.10 : x
  2. Step 2: Convert to fraction form
    440,034,607,002.30/660,051,910,503.45 = 289,405,520,879.10/x
  3. Step 3: Cross multiply
    440,034,607,002.30x = 660,051,910,503.45 × 289,405,520,879.10
  4. Step 4: Simplify right side
    440,034,607,002.30x = 191,022,666,966,496,014,499,840
  5. Step 5: Solve for x
    x = 191,022,666,966,496,014,499,840/440,034,607,002.30
  6. Step 6: Final answer
    x = 434,108,281,318.65

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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.