Home / 1,018,672,002.40-1,528,008,003.60-363,936,690.40

Finding the Fourth Proportional to 1,018,672,002.40, 1,528,008,003.60 and 363,936,690.40

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Solution

The fourth proportional to 1,018,672,002.40, 1,528,008,003.60 and 363,936,690.40 is: 545,905,035.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,672,002.40 : 1,528,008,003.60 = 363,936,690.40 : x
  2. Step 2: Convert to fraction form
    1,018,672,002.40/1,528,008,003.60 = 363,936,690.40/x
  3. Step 3: Cross multiply
    1,018,672,002.40x = 1,528,008,003.60 × 363,936,690.40
  4. Step 4: Simplify right side
    1,018,672,002.40x = 556,098,175,734,895,232
  5. Step 5: Solve for x
    x = 556,098,175,734,895,232/1,018,672,002.40
  6. Step 6: Final answer
    x = 545,905,035.60

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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.