Home / 976,917,437.57-1,465,663,688.75-355,122,868.55

Finding the Fourth Proportional to 976,917,437.57, 1,465,663,688.75 and 355,122,868.55

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Solution

The fourth proportional to 976,917,437.57, 1,465,663,688.75 and 355,122,868.55 is: 532,788,824.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,917,437.57 : 1,465,663,688.75 = 355,122,868.55 : x
  2. Step 2: Convert to fraction form
    976,917,437.57/1,465,663,688.75 = 355,122,868.55/x
  3. Step 3: Cross multiply
    976,917,437.57x = 1,465,663,688.75 × 355,122,868.55
  4. Step 4: Simplify right side
    976,917,437.57x = 520,490,693,478,474,368
  5. Step 5: Solve for x
    x = 520,490,693,478,474,368/976,917,437.57
  6. Step 6: Final answer
    x = 532,788,824.79

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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.