Home / 21,353,835,216.40-32,030,752,824.60-19,902,646,992.40

Finding the Fourth Proportional to 21,353,835,216.40, 32,030,752,824.60 and 19,902,646,992.40

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Solution

The fourth proportional to 21,353,835,216.40, 32,030,752,824.60 and 19,902,646,992.40 is: 29,853,970,488.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,353,835,216.40 : 32,030,752,824.60 = 19,902,646,992.40 : x
  2. Step 2: Convert to fraction form
    21,353,835,216.40/32,030,752,824.60 = 19,902,646,992.40/x
  3. Step 3: Cross multiply
    21,353,835,216.40x = 32,030,752,824.60 × 19,902,646,992.40
  4. Step 4: Simplify right side
    21,353,835,216.40x = 637,496,766,368,833,077,248
  5. Step 5: Solve for x
    x = 637,496,766,368,833,077,248/21,353,835,216.40
  6. Step 6: Final answer
    x = 29,853,970,488.60

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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.