Home / 672,610,983.19-928,203,734.68-375,253,271.48

Finding the Fourth Proportional to 672,610,983.19, 928,203,734.68 and 375,253,271.48

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Solution

The fourth proportional to 672,610,983.19, 928,203,734.68 and 375,253,271.48 is: 517,849,837.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,610,983.19 : 928,203,734.68 = 375,253,271.48 : x
  2. Step 2: Convert to fraction form
    672,610,983.19/928,203,734.68 = 375,253,271.48/x
  3. Step 3: Cross multiply
    672,610,983.19x = 928,203,734.68 × 375,253,271.48
  4. Step 4: Simplify right side
    672,610,983.19x = 348,311,488,038,623,936
  5. Step 5: Solve for x
    x = 348,311,488,038,623,936/672,610,983.19
  6. Step 6: Final answer
    x = 517,849,837.04

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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.