Home / 976,917,442.82-1,465,663,696.61-355,122,873.81

Finding the Fourth Proportional to 976,917,442.82, 1,465,663,696.61 and 355,122,873.81

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Solution

The fourth proportional to 976,917,442.82, 1,465,663,696.61 and 355,122,873.81 is: 532,788,832.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,917,442.82 : 1,465,663,696.61 = 355,122,873.81 : x
  2. Step 2: Convert to fraction form
    976,917,442.82/1,465,663,696.61 = 355,122,873.81/x
  3. Step 3: Cross multiply
    976,917,442.82x = 1,465,663,696.61 × 355,122,873.81
  4. Step 4: Simplify right side
    976,917,442.82x = 520,490,703,977,355,520
  5. Step 5: Solve for x
    x = 520,490,703,977,355,520/976,917,442.82
  6. Step 6: Final answer
    x = 532,788,832.68

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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.