Home / 21,580,162,649.07-32,212,182,393.47-19,032,630,796.09

Finding the Fourth Proportional to 21,580,162,649.07, 32,212,182,393.47 and 19,032,630,796.09

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Solution

The fourth proportional to 21,580,162,649.07, 32,212,182,393.47 and 19,032,630,796.09 is: 28,409,543,737.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,580,162,649.07 : 32,212,182,393.47 = 19,032,630,796.09 : x
  2. Step 2: Convert to fraction form
    21,580,162,649.07/32,212,182,393.47 = 19,032,630,796.09/x
  3. Step 3: Cross multiply
    21,580,162,649.07x = 32,212,182,393.47 × 19,032,630,796.09
  4. Step 4: Simplify right side
    21,580,162,649.07x = 613,082,574,631,130,103,808
  5. Step 5: Solve for x
    x = 613,082,574,631,130,103,808/21,580,162,649.07
  6. Step 6: Final answer
    x = 28,409,543,737.04

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.