Home / 672,311,577.60-1,008,467,366.40-475,040,678.40

Finding the Fourth Proportional to 672,311,577.60, 1,008,467,366.40 and 475,040,678.40

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Solution

The fourth proportional to 672,311,577.60, 1,008,467,366.40 and 475,040,678.40 is: 712,561,017.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,311,577.60 : 1,008,467,366.40 = 475,040,678.40 : x
  2. Step 2: Convert to fraction form
    672,311,577.60/1,008,467,366.40 = 475,040,678.40/x
  3. Step 3: Cross multiply
    672,311,577.60x = 1,008,467,366.40 × 475,040,678.40
  4. Step 4: Simplify right side
    672,311,577.60x = 479,063,021,878,917,312
  5. Step 5: Solve for x
    x = 479,063,021,878,917,312/672,311,577.60
  6. Step 6: Final answer
    x = 712,561,017.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.