Home / 1,256,105,278.14-1,884,438,916.62-382,774,996.82

Finding the Fourth Proportional to 1,256,105,278.14, 1,884,438,916.62 and 382,774,996.82

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Solution

The fourth proportional to 1,256,105,278.14, 1,884,438,916.62 and 382,774,996.82 is: 574,248,124.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,105,278.14 : 1,884,438,916.62 = 382,774,996.82 : x
  2. Step 2: Convert to fraction form
    1,256,105,278.14/1,884,438,916.62 = 382,774,996.82/x
  3. Step 3: Cross multiply
    1,256,105,278.14x = 1,884,438,916.62 × 382,774,996.82
  4. Step 4: Simplify right side
    1,256,105,278.14x = 721,316,100,307,282,560
  5. Step 5: Solve for x
    x = 721,316,100,307,282,560/1,256,105,278.14
  6. Step 6: Final answer
    x = 574,248,124.63

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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.