Home / 988,450,416.80-1,364,082,408.85-542,409,877.77

Finding the Fourth Proportional to 988,450,416.80, 1,364,082,408.85 and 542,409,877.77

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Solution

The fourth proportional to 988,450,416.80, 1,364,082,408.85 and 542,409,877.77 is: 748,537,063.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,450,416.80 : 1,364,082,408.85 = 542,409,877.77 : x
  2. Step 2: Convert to fraction form
    988,450,416.80/1,364,082,408.85 = 542,409,877.77/x
  3. Step 3: Cross multiply
    988,450,416.80x = 1,364,082,408.85 × 542,409,877.77
  4. Step 4: Simplify right side
    988,450,416.80x = 739,891,772,651,179,648
  5. Step 5: Solve for x
    x = 739,891,772,651,179,648/988,450,416.80
  6. Step 6: Final answer
    x = 748,537,063.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.