Home / 678,416,196.80-1,017,624,295.20-463,425,348.80

Finding the Fourth Proportional to 678,416,196.80, 1,017,624,295.20 and 463,425,348.80

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Solution

The fourth proportional to 678,416,196.80, 1,017,624,295.20 and 463,425,348.80 is: 695,138,023.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,416,196.80 : 1,017,624,295.20 = 463,425,348.80 : x
  2. Step 2: Convert to fraction form
    678,416,196.80/1,017,624,295.20 = 463,425,348.80/x
  3. Step 3: Cross multiply
    678,416,196.80x = 1,017,624,295.20 × 463,425,348.80
  4. Step 4: Simplify right side
    678,416,196.80x = 471,592,893,950,414,208
  5. Step 5: Solve for x
    x = 471,592,893,950,414,208/678,416,196.80
  6. Step 6: Final answer
    x = 695,138,023.20

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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.