Home / 21,622,129,353.36-32,421,370,655.52-17,168,830,621.20

Finding the Fourth Proportional to 21,622,129,353.36, 32,421,370,655.52 and 17,168,830,621.20

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Solution

The fourth proportional to 21,622,129,353.36, 32,421,370,655.52 and 17,168,830,621.20 is: 25,743,857,702.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,622,129,353.36 : 32,421,370,655.52 = 17,168,830,621.20 : x
  2. Step 2: Convert to fraction form
    21,622,129,353.36/32,421,370,655.52 = 17,168,830,621.20/x
  3. Step 3: Cross multiply
    21,622,129,353.36x = 32,421,370,655.52 × 17,168,830,621.20
  4. Step 4: Simplify right side
    21,622,129,353.36x = 556,637,021,291,766,939,648
  5. Step 5: Solve for x
    x = 556,637,021,291,766,939,648/21,622,129,353.36
  6. Step 6: Final answer
    x = 25,743,857,702.21

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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.