Home / 452,289,359.20-678,434,038.80-406,372,856.80

Finding the Fourth Proportional to 452,289,359.20, 678,434,038.80 and 406,372,856.80

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Solution

The fourth proportional to 452,289,359.20, 678,434,038.80 and 406,372,856.80 is: 609,559,285.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,289,359.20 : 678,434,038.80 = 406,372,856.80 : x
  2. Step 2: Convert to fraction form
    452,289,359.20/678,434,038.80 = 406,372,856.80/x
  3. Step 3: Cross multiply
    452,289,359.20x = 678,434,038.80 × 406,372,856.80
  4. Step 4: Simplify right side
    452,289,359.20x = 275,697,178,497,518,048
  5. Step 5: Solve for x
    x = 275,697,178,497,518,048/452,289,359.20
  6. Step 6: Final answer
    x = 609,559,285.20

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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.