Home / 672,760,746.72-928,192,437.36-375,354,770.40

Finding the Fourth Proportional to 672,760,746.72, 928,192,437.36 and 375,354,770.40

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Solution

The fourth proportional to 672,760,746.72, 928,192,437.36 and 375,354,770.40 is: 517,868,292.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,760,746.72 : 928,192,437.36 = 375,354,770.40 : x
  2. Step 2: Convert to fraction form
    672,760,746.72/928,192,437.36 = 375,354,770.40/x
  3. Step 3: Cross multiply
    672,760,746.72x = 928,192,437.36 × 375,354,770.40
  4. Step 4: Simplify right side
    672,760,746.72x = 348,401,459,212,279,168
  5. Step 5: Solve for x
    x = 348,401,459,212,279,168/672,760,746.72
  6. Step 6: Final answer
    x = 517,868,292.57

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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.