Home / 19,782,578,100.60-29,679,689,682.07-7,191,238,078.01

Finding the Fourth Proportional to 19,782,578,100.60, 29,679,689,682.07 and 7,191,238,078.01

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Solution

The fourth proportional to 19,782,578,100.60, 29,679,689,682.07 and 7,191,238,078.01 is: 10,788,973,686.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,782,578,100.60 : 29,679,689,682.07 = 7,191,238,078.01 : x
  2. Step 2: Convert to fraction form
    19,782,578,100.60/29,679,689,682.07 = 7,191,238,078.01/x
  3. Step 3: Cross multiply
    19,782,578,100.60x = 29,679,689,682.07 × 7,191,238,078.01
  4. Step 4: Simplify right side
    19,782,578,100.60x = 213,433,714,585,274,908,672
  5. Step 5: Solve for x
    x = 213,433,714,585,274,908,672/19,782,578,100.60
  6. Step 6: Final answer
    x = 10,788,973,686.84

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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.