Home / 1,294,886,402.20-1,942,329,603.30-477,317,567.80

Finding the Fourth Proportional to 1,294,886,402.20, 1,942,329,603.30 and 477,317,567.80

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Solution

The fourth proportional to 1,294,886,402.20, 1,942,329,603.30 and 477,317,567.80 is: 715,976,351.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,886,402.20 : 1,942,329,603.30 = 477,317,567.80 : x
  2. Step 2: Convert to fraction form
    1,294,886,402.20/1,942,329,603.30 = 477,317,567.80/x
  3. Step 3: Cross multiply
    1,294,886,402.20x = 1,942,329,603.30 × 477,317,567.80
  4. Step 4: Simplify right side
    1,294,886,402.20x = 927,108,042,113,094,912
  5. Step 5: Solve for x
    x = 927,108,042,113,094,912/1,294,886,402.20
  6. Step 6: Final answer
    x = 715,976,351.70

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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.