Home / 1,035,666,579.40-1,552,902,672.30-389,499,641.80

Finding the Fourth Proportional to 1,035,666,579.40, 1,552,902,672.30 and 389,499,641.80

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Solution

The fourth proportional to 1,035,666,579.40, 1,552,902,672.30 and 389,499,641.80 is: 584,024,865.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,666,579.40 : 1,552,902,672.30 = 389,499,641.80 : x
  2. Step 2: Convert to fraction form
    1,035,666,579.40/1,552,902,672.30 = 389,499,641.80/x
  3. Step 3: Cross multiply
    1,035,666,579.40x = 1,552,902,672.30 × 389,499,641.80
  4. Step 4: Simplify right side
    1,035,666,579.40x = 604,855,034,611,112,832
  5. Step 5: Solve for x
    x = 604,855,034,611,112,832/1,035,666,579.40
  6. Step 6: Final answer
    x = 584,024,865.38

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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.