Home / 20,997,389,019.60-31,496,083,529.40-19,401,081,973.20

Finding the Fourth Proportional to 20,997,389,019.60, 31,496,083,529.40 and 19,401,081,973.20

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Solution

The fourth proportional to 20,997,389,019.60, 31,496,083,529.40 and 19,401,081,973.20 is: 29,101,622,959.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,997,389,019.60 : 31,496,083,529.40 = 19,401,081,973.20 : x
  2. Step 2: Convert to fraction form
    20,997,389,019.60/31,496,083,529.40 = 19,401,081,973.20/x
  3. Step 3: Cross multiply
    20,997,389,019.60x = 31,496,083,529.40 × 19,401,081,973.20
  4. Step 4: Simplify right side
    20,997,389,019.60x = 611,058,098,388,643,872,768
  5. Step 5: Solve for x
    x = 611,058,098,388,643,872,768/20,997,389,019.60
  6. Step 6: Final answer
    x = 29,101,622,959.80

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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.