Home / 507,708,823.20-761,658,821.28-361,780,373.40

Finding the Fourth Proportional to 507,708,823.20, 761,658,821.28 and 361,780,373.40

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Solution

The fourth proportional to 507,708,823.20, 761,658,821.28 and 361,780,373.40 is: 542,738,672.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,708,823.20 : 761,658,821.28 = 361,780,373.40 : x
  2. Step 2: Convert to fraction form
    507,708,823.20/761,658,821.28 = 361,780,373.40/x
  3. Step 3: Cross multiply
    507,708,823.20x = 761,658,821.28 × 361,780,373.40
  4. Step 4: Simplify right side
    507,708,823.20x = 275,553,212,766,082,240
  5. Step 5: Solve for x
    x = 275,553,212,766,082,240/507,708,823.20
  6. Step 6: Final answer
    x = 542,738,672.59

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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.