Home / 31,826,332,070.12-47,739,498,151.88-12,935,193,736.34

Finding the Fourth Proportional to 31,826,332,070.12, 47,739,498,151.88 and 12,935,193,736.34

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Solution

The fourth proportional to 31,826,332,070.12, 47,739,498,151.88 and 12,935,193,736.34 is: 19,402,790,623.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,826,332,070.12 : 47,739,498,151.88 = 12,935,193,736.34 : x
  2. Step 2: Convert to fraction form
    31,826,332,070.12/47,739,498,151.88 = 12,935,193,736.34/x
  3. Step 3: Cross multiply
    31,826,332,070.12x = 47,739,498,151.88 × 12,935,193,736.34
  4. Step 4: Simplify right side
    31,826,332,070.12x = 617,519,657,470,213,095,424
  5. Step 5: Solve for x
    x = 617,519,657,470,213,095,424/31,826,332,070.12
  6. Step 6: Final answer
    x = 19,402,790,623.49

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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.