Home / 1,253,263,089.60-1,879,894,634.40-333,139,428.23

Finding the Fourth Proportional to 1,253,263,089.60, 1,879,894,634.40 and 333,139,428.23

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Solution

The fourth proportional to 1,253,263,089.60, 1,879,894,634.40 and 333,139,428.23 is: 499,709,142.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,263,089.60 : 1,879,894,634.40 = 333,139,428.23 : x
  2. Step 2: Convert to fraction form
    1,253,263,089.60/1,879,894,634.40 = 333,139,428.23/x
  3. Step 3: Cross multiply
    1,253,263,089.60x = 1,879,894,634.40 × 333,139,428.23
  4. Step 4: Simplify right side
    1,253,263,089.60x = 626,267,023,627,261,440
  5. Step 5: Solve for x
    x = 626,267,023,627,261,440/1,253,263,089.60
  6. Step 6: Final answer
    x = 499,709,142.34

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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.