Home / 564,085,652.47-778,462,512.60-313,190,056.68

Finding the Fourth Proportional to 564,085,652.47, 778,462,512.60 and 313,190,056.68

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Solution

The fourth proportional to 564,085,652.47, 778,462,512.60 and 313,190,056.68 is: 432,215,776.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,085,652.47 : 778,462,512.60 = 313,190,056.68 : x
  2. Step 2: Convert to fraction form
    564,085,652.47/778,462,512.60 = 313,190,056.68/x
  3. Step 3: Cross multiply
    564,085,652.47x = 778,462,512.60 × 313,190,056.68
  4. Step 4: Simplify right side
    564,085,652.47x = 243,806,718,444,449,216
  5. Step 5: Solve for x
    x = 243,806,718,444,449,216/564,085,652.47
  6. Step 6: Final answer
    x = 432,215,776.77

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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.