Home / 1,035,666,578.40-1,552,902,670.80-389,499,640.80

Finding the Fourth Proportional to 1,035,666,578.40, 1,552,902,670.80 and 389,499,640.80

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Solution

The fourth proportional to 1,035,666,578.40, 1,552,902,670.80 and 389,499,640.80 is: 584,024,863.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,666,578.40 : 1,552,902,670.80 = 389,499,640.80 : x
  2. Step 2: Convert to fraction form
    1,035,666,578.40/1,552,902,670.80 = 389,499,640.80/x
  3. Step 3: Cross multiply
    1,035,666,578.40x = 1,552,902,670.80 × 389,499,640.80
  4. Step 4: Simplify right side
    1,035,666,578.40x = 604,855,032,473,960,704
  5. Step 5: Solve for x
    x = 604,855,032,473,960,704/1,035,666,578.40
  6. Step 6: Final answer
    x = 584,024,863.88

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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.