Home / 1,241,931,738.60-1,862,494,587.54-412,662,687.48

Finding the Fourth Proportional to 1,241,931,738.60, 1,862,494,587.54 and 412,662,687.48

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Solution

The fourth proportional to 1,241,931,738.60, 1,862,494,587.54 and 412,662,687.48 is: 618,860,117.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,931,738.60 : 1,862,494,587.54 = 412,662,687.48 : x
  2. Step 2: Convert to fraction form
    1,241,931,738.60/1,862,494,587.54 = 412,662,687.48/x
  3. Step 3: Cross multiply
    1,241,931,738.60x = 1,862,494,587.54 × 412,662,687.48
  4. Step 4: Simplify right side
    1,241,931,738.60x = 768,582,021,911,210,496
  5. Step 5: Solve for x
    x = 768,582,021,911,210,496/1,241,931,738.60
  6. Step 6: Final answer
    x = 618,860,117.69

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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.