Home / 683,879,132.76-943,754,010.32-370,613,346.73

Finding the Fourth Proportional to 683,879,132.76, 943,754,010.32 and 370,613,346.73

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Solution

The fourth proportional to 683,879,132.76, 943,754,010.32 and 370,613,346.73 is: 511,446,855.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,879,132.76 : 943,754,010.32 = 370,613,346.73 : x
  2. Step 2: Convert to fraction form
    683,879,132.76/943,754,010.32 = 370,613,346.73/x
  3. Step 3: Cross multiply
    683,879,132.76x = 943,754,010.32 × 370,613,346.73
  4. Step 4: Simplify right side
    683,879,132.76x = 349,767,832,254,748,544
  5. Step 5: Solve for x
    x = 349,767,832,254,748,544/683,879,132.76
  6. Step 6: Final answer
    x = 511,446,855.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.