Home / 519,108,174,695.36-716,141,085,053.28-313,227,577,910.72

Finding the Fourth Proportional to 519,108,174,695.36, 716,141,085,053.28 and 313,227,577,910.72

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Solution

The fourth proportional to 519,108,174,695.36, 716,141,085,053.28 and 313,227,577,910.72 is: 432,116,365,043.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,108,174,695.36 : 716,141,085,053.28 = 313,227,577,910.72 : x
  2. Step 2: Convert to fraction form
    519,108,174,695.36/716,141,085,053.28 = 313,227,577,910.72/x
  3. Step 3: Cross multiply
    519,108,174,695.36x = 716,141,085,053.28 × 313,227,577,910.72
  4. Step 4: Simplify right side
    519,108,174,695.36x = 224,315,137,513,593,795,248,128
  5. Step 5: Solve for x
    x = 224,315,137,513,593,795,248,128/519,108,174,695.36
  6. Step 6: Final answer
    x = 432,116,365,043.25

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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.