Home / 673,558,937.40-1,010,374,624.04-213,532,979

Finding the Fourth Proportional to 673,558,937.40, 1,010,374,624.04 and 213,532,979

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Solution

The fourth proportional to 673,558,937.40, 1,010,374,624.04 and 213,532,979 is: 320,310,950.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,558,937.40 : 1,010,374,624.04 = 213,532,979 : x
  2. Step 2: Convert to fraction form
    673,558,937.40/1,010,374,624.04 = 213,532,979/x
  3. Step 3: Cross multiply
    673,558,937.40x = 1,010,374,624.04 × 213,532,979
  4. Step 4: Simplify right side
    673,558,937.40x = 215,748,303,377,266,208
  5. Step 5: Solve for x
    x = 215,748,303,377,266,208/673,558,937.40
  6. Step 6: Final answer
    x = 320,310,950.38

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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.