Home / 938,105,294.80-1,406,699,459.16-385,259,950.64

Finding the Fourth Proportional to 938,105,294.80, 1,406,699,459.16 and 385,259,950.64

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Solution

The fourth proportional to 938,105,294.80, 1,406,699,459.16 and 385,259,950.64 is: 577,701,636.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,105,294.80 : 1,406,699,459.16 = 385,259,950.64 : x
  2. Step 2: Convert to fraction form
    938,105,294.80/1,406,699,459.16 = 385,259,950.64/x
  3. Step 3: Cross multiply
    938,105,294.80x = 1,406,699,459.16 × 385,259,950.64
  4. Step 4: Simplify right side
    938,105,294.80x = 541,944,964,201,296,320
  5. Step 5: Solve for x
    x = 541,944,964,201,296,320/938,105,294.80
  6. Step 6: Final answer
    x = 577,701,636.70

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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.