Home / 807,588,705.40-1,208,596,139.70-484,704,302.20

Finding the Fourth Proportional to 807,588,705.40, 1,208,596,139.70 and 484,704,302.20

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Solution

The fourth proportional to 807,588,705.40, 1,208,596,139.70 and 484,704,302.20 is: 725,383,780.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,588,705.40 : 1,208,596,139.70 = 484,704,302.20 : x
  2. Step 2: Convert to fraction form
    807,588,705.40/1,208,596,139.70 = 484,704,302.20/x
  3. Step 3: Cross multiply
    807,588,705.40x = 1,208,596,139.70 × 484,704,302.20
  4. Step 4: Simplify right side
    807,588,705.40x = 585,811,748,534,902,272
  5. Step 5: Solve for x
    x = 585,811,748,534,902,272/807,588,705.40
  6. Step 6: Final answer
    x = 725,383,780.90

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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.