Home / 564,306,383.93-778,744,613.96-313,410,730.28

Finding the Fourth Proportional to 564,306,383.93, 778,744,613.96 and 313,410,730.28

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Solution

The fourth proportional to 564,306,383.93, 778,744,613.96 and 313,410,730.28 is: 432,507,809.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,306,383.93 : 778,744,613.96 = 313,410,730.28 : x
  2. Step 2: Convert to fraction form
    564,306,383.93/778,744,613.96 = 313,410,730.28/x
  3. Step 3: Cross multiply
    564,306,383.93x = 778,744,613.96 × 313,410,730.28
  4. Step 4: Simplify right side
    564,306,383.93x = 244,066,918,157,359,488
  5. Step 5: Solve for x
    x = 244,066,918,157,359,488/564,306,383.93
  6. Step 6: Final answer
    x = 432,507,809.78

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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.