Home / 43,011,086,177.60-64,516,629,266.40-11,991,937,889.60

Finding the Fourth Proportional to 43,011,086,177.60, 64,516,629,266.40 and 11,991,937,889.60

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Solution

The fourth proportional to 43,011,086,177.60, 64,516,629,266.40 and 11,991,937,889.60 is: 17,987,906,834.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,011,086,177.60 : 64,516,629,266.40 = 11,991,937,889.60 : x
  2. Step 2: Convert to fraction form
    43,011,086,177.60/64,516,629,266.40 = 11,991,937,889.60/x
  3. Step 3: Cross multiply
    43,011,086,177.60x = 64,516,629,266.40 × 11,991,937,889.60
  4. Step 4: Simplify right side
    43,011,086,177.60x = 773,679,411,009,018,396,672
  5. Step 5: Solve for x
    x = 773,679,411,009,018,396,672/43,011,086,177.60
  6. Step 6: Final answer
    x = 17,987,906,834.40

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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.