Home / 284,653,780.20-426,980,670.30-169,768,045.80

Finding the Fourth Proportional to 284,653,780.20, 426,980,670.30 and 169,768,045.80

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Solution

The fourth proportional to 284,653,780.20, 426,980,670.30 and 169,768,045.80 is: 254,652,068.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,653,780.20 : 426,980,670.30 = 169,768,045.80 : x
  2. Step 2: Convert to fraction form
    284,653,780.20/426,980,670.30 = 169,768,045.80/x
  3. Step 3: Cross multiply
    284,653,780.20x = 426,980,670.30 × 169,768,045.80
  4. Step 4: Simplify right side
    284,653,780.20x = 72,487,673,991,205,104
  5. Step 5: Solve for x
    x = 72,487,673,991,205,104/284,653,780.20
  6. Step 6: Final answer
    x = 254,652,068.70

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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.