Home / 497,228,515.80-745,842,773.70-303,518,271.30

Finding the Fourth Proportional to 497,228,515.80, 745,842,773.70 and 303,518,271.30

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Solution

The fourth proportional to 497,228,515.80, 745,842,773.70 and 303,518,271.30 is: 455,277,406.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,228,515.80 : 745,842,773.70 = 303,518,271.30 : x
  2. Step 2: Convert to fraction form
    497,228,515.80/745,842,773.70 = 303,518,271.30/x
  3. Step 3: Cross multiply
    497,228,515.80x = 745,842,773.70 × 303,518,271.30
  4. Step 4: Simplify right side
    497,228,515.80x = 226,376,909,335,021,120
  5. Step 5: Solve for x
    x = 226,376,909,335,021,120/497,228,515.80
  6. Step 6: Final answer
    x = 455,277,406.95

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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.