Home / 1,154,919,941.40-1,732,805,064.90-378,590,928.60

Finding the Fourth Proportional to 1,154,919,941.40, 1,732,805,064.90 and 378,590,928.60

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Solution

The fourth proportional to 1,154,919,941.40, 1,732,805,064.90 and 378,590,928.60 is: 568,025,761.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,919,941.40 : 1,732,805,064.90 = 378,590,928.60 : x
  2. Step 2: Convert to fraction form
    1,154,919,941.40/1,732,805,064.90 = 378,590,928.60/x
  3. Step 3: Cross multiply
    1,154,919,941.40x = 1,732,805,064.90 × 378,590,928.60
  4. Step 4: Simplify right side
    1,154,919,941.40x = 656,024,278,603,274,368
  5. Step 5: Solve for x
    x = 656,024,278,603,274,368/1,154,919,941.40
  6. Step 6: Final answer
    x = 568,025,761.00

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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.