Home / 30,256,918,221.78-45,454,252,228.83-21,888,635,646.42

Finding the Fourth Proportional to 30,256,918,221.78, 45,454,252,228.83 and 21,888,635,646.42

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Solution

The fourth proportional to 30,256,918,221.78, 45,454,252,228.83 and 21,888,635,646.42 is: 32,882,779,347.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,256,918,221.78 : 45,454,252,228.83 = 21,888,635,646.42 : x
  2. Step 2: Convert to fraction form
    30,256,918,221.78/45,454,252,228.83 = 21,888,635,646.42/x
  3. Step 3: Cross multiply
    30,256,918,221.78x = 45,454,252,228.83 × 21,888,635,646.42
  4. Step 4: Simplify right side
    30,256,918,221.78x = 994,931,565,617,334,059,008
  5. Step 5: Solve for x
    x = 994,931,565,617,334,059,008/30,256,918,221.78
  6. Step 6: Final answer
    x = 32,882,779,347.34

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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.