Home / 2,153,112,355.52-2,971,296,352.32-1,163,038,209.92

Finding the Fourth Proportional to 2,153,112,355.52, 2,971,296,352.32 and 1,163,038,209.92

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Solution

The fourth proportional to 2,153,112,355.52, 2,971,296,352.32 and 1,163,038,209.92 is: 1,604,993,432.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,112,355.52 : 2,971,296,352.32 = 1,163,038,209.92 : x
  2. Step 2: Convert to fraction form
    2,153,112,355.52/2,971,296,352.32 = 1,163,038,209.92/x
  3. Step 3: Cross multiply
    2,153,112,355.52x = 2,971,296,352.32 × 1,163,038,209.92
  4. Step 4: Simplify right side
    2,153,112,355.52x = 3,455,731,190,744,078,848
  5. Step 5: Solve for x
    x = 3,455,731,190,744,078,848/2,153,112,355.52
  6. Step 6: Final answer
    x = 1,604,993,432.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.