Home / 672,564,694.64-928,139,676.65-375,206,937.82

Finding the Fourth Proportional to 672,564,694.64, 928,139,676.65 and 375,206,937.82

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Solution

The fourth proportional to 672,564,694.64, 928,139,676.65 and 375,206,937.82 is: 517,785,796.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,564,694.64 : 928,139,676.65 = 375,206,937.82 : x
  2. Step 2: Convert to fraction form
    672,564,694.64/928,139,676.65 = 375,206,937.82/x
  3. Step 3: Cross multiply
    672,564,694.64x = 928,139,676.65 × 375,206,937.82
  4. Step 4: Simplify right side
    672,564,694.64x = 348,244,445,943,371,456
  5. Step 5: Solve for x
    x = 348,244,445,943,371,456/672,564,694.64
  6. Step 6: Final answer
    x = 517,785,796.25

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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.