Home / 1,241,304,557.76-1,862,148,155.40-423,225,540

Finding the Fourth Proportional to 1,241,304,557.76, 1,862,148,155.40 and 423,225,540

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Solution

The fourth proportional to 1,241,304,557.76, 1,862,148,155.40 and 423,225,540 is: 634,903,540.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,304,557.76 : 1,862,148,155.40 = 423,225,540 : x
  2. Step 2: Convert to fraction form
    1,241,304,557.76/1,862,148,155.40 = 423,225,540/x
  3. Step 3: Cross multiply
    1,241,304,557.76x = 1,862,148,155.40 × 423,225,540
  4. Step 4: Simplify right side
    1,241,304,557.76x = 788,108,658,629,168,896
  5. Step 5: Solve for x
    x = 788,108,658,629,168,896/1,241,304,557.76
  6. Step 6: Final answer
    x = 634,903,540.56

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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.