Home / 19,315,665,130.40-28,973,497,695.60-13,704,403,997.60

Finding the Fourth Proportional to 19,315,665,130.40, 28,973,497,695.60 and 13,704,403,997.60

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Solution

The fourth proportional to 19,315,665,130.40, 28,973,497,695.60 and 13,704,403,997.60 is: 20,556,605,996.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,315,665,130.40 : 28,973,497,695.60 = 13,704,403,997.60 : x
  2. Step 2: Convert to fraction form
    19,315,665,130.40/28,973,497,695.60 = 13,704,403,997.60/x
  3. Step 3: Cross multiply
    19,315,665,130.40x = 28,973,497,695.60 × 13,704,403,997.60
  4. Step 4: Simplify right side
    19,315,665,130.40x = 397,064,517,644,035,031,040
  5. Step 5: Solve for x
    x = 397,064,517,644,035,031,040/19,315,665,130.40
  6. Step 6: Final answer
    x = 20,556,605,996.40

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Double scale
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1.5x scale

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.