Home / 1,256,105,274.80-1,884,438,911.63-382,774,993.48

Finding the Fourth Proportional to 1,256,105,274.80, 1,884,438,911.63 and 382,774,993.48

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Solution

The fourth proportional to 1,256,105,274.80, 1,884,438,911.63 and 382,774,993.48 is: 574,248,119.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,105,274.80 : 1,884,438,911.63 = 382,774,993.48 : x
  2. Step 2: Convert to fraction form
    1,256,105,274.80/1,884,438,911.63 = 382,774,993.48/x
  3. Step 3: Cross multiply
    1,256,105,274.80x = 1,884,438,911.63 × 382,774,993.48
  4. Step 4: Simplify right side
    1,256,105,274.80x = 721,316,092,104,645,632
  5. Step 5: Solve for x
    x = 721,316,092,104,645,632/1,256,105,274.80
  6. Step 6: Final answer
    x = 574,248,119.62

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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.