Home / 378,434,404.80-567,651,607.20-342,154,699.20

Finding the Fourth Proportional to 378,434,404.80, 567,651,607.20 and 342,154,699.20

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Solution

The fourth proportional to 378,434,404.80, 567,651,607.20 and 342,154,699.20 is: 513,232,048.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,434,404.80 : 567,651,607.20 = 342,154,699.20 : x
  2. Step 2: Convert to fraction form
    378,434,404.80/567,651,607.20 = 342,154,699.20/x
  3. Step 3: Cross multiply
    378,434,404.80x = 567,651,607.20 × 342,154,699.20
  4. Step 4: Simplify right side
    378,434,404.80x = 194,224,664,911,912,576
  5. Step 5: Solve for x
    x = 194,224,664,911,912,576/378,434,404.80
  6. Step 6: Final answer
    x = 513,232,048.80

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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.