Home / 855,391,663.65-1,180,973,637.45-587,928,037.17

Finding the Fourth Proportional to 855,391,663.65, 1,180,973,637.45 and 587,928,037.17

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Solution

The fourth proportional to 855,391,663.65, 1,180,973,637.45 and 587,928,037.17 is: 811,707,130.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,391,663.65 : 1,180,973,637.45 = 587,928,037.17 : x
  2. Step 2: Convert to fraction form
    855,391,663.65/1,180,973,637.45 = 587,928,037.17/x
  3. Step 3: Cross multiply
    855,391,663.65x = 1,180,973,637.45 × 587,928,037.17
  4. Step 4: Simplify right side
    855,391,663.65x = 694,327,512,615,493,632
  5. Step 5: Solve for x
    x = 694,327,512,615,493,632/855,391,663.65
  6. Step 6: Final answer
    x = 811,707,130.34

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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.