Home / 1,236,197,376,332.40-1,854,296,064,498.60-442,107,180,159.60

Finding the Fourth Proportional to 1,236,197,376,332.40, 1,854,296,064,498.60 and 442,107,180,159.60

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Solution

The fourth proportional to 1,236,197,376,332.40, 1,854,296,064,498.60 and 442,107,180,159.60 is: 663,160,770,239.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,197,376,332.40 : 1,854,296,064,498.60 = 442,107,180,159.60 : x
  2. Step 2: Convert to fraction form
    1,236,197,376,332.40/1,854,296,064,498.60 = 442,107,180,159.60/x
  3. Step 3: Cross multiply
    1,236,197,376,332.40x = 1,854,296,064,498.60 × 442,107,180,159.60
  4. Step 4: Simplify right side
    1,236,197,376,332.40x = 819,797,604,256,519,865,499,648
  5. Step 5: Solve for x
    x = 819,797,604,256,519,865,499,648/1,236,197,376,332.40
  6. Step 6: Final answer
    x = 663,160,770,239.40

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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.