Home / 1,537,780,248,103.90-2,121,941,693,883.90-843,138,012,209.70

Finding the Fourth Proportional to 1,537,780,248,103.90, 2,121,941,693,883.90 and 843,138,012,209.70

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Solution

The fourth proportional to 1,537,780,248,103.90, 2,121,941,693,883.90 and 843,138,012,209.70 is: 1,163,423,515,168.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,537,780,248,103.90 : 2,121,941,693,883.90 = 843,138,012,209.70 : x
  2. Step 2: Convert to fraction form
    1,537,780,248,103.90/2,121,941,693,883.90 = 843,138,012,209.70/x
  3. Step 3: Cross multiply
    1,537,780,248,103.90x = 2,121,941,693,883.90 × 843,138,012,209.70
  4. Step 4: Simplify right side
    1,537,780,248,103.90x = 1,789,089,701,806,155,002,544,128
  5. Step 5: Solve for x
    x = 1,789,089,701,806,155,002,544,128/1,537,780,248,103.90
  6. Step 6: Final answer
    x = 1,163,423,515,168.78

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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.