Home / 996,651,113.40-1,494,976,670.10-478,956,720.60

Finding the Fourth Proportional to 996,651,113.40, 1,494,976,670.10 and 478,956,720.60

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Solution

The fourth proportional to 996,651,113.40, 1,494,976,670.10 and 478,956,720.60 is: 718,435,080.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,651,113.40 : 1,494,976,670.10 = 478,956,720.60 : x
  2. Step 2: Convert to fraction form
    996,651,113.40/1,494,976,670.10 = 478,956,720.60/x
  3. Step 3: Cross multiply
    996,651,113.40x = 1,494,976,670.10 × 478,956,720.60
  4. Step 4: Simplify right side
    996,651,113.40x = 716,029,123,284,604,032
  5. Step 5: Solve for x
    x = 716,029,123,284,604,032/996,651,113.40
  6. Step 6: Final answer
    x = 718,435,080.90

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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.