Home / 39,864,421,459.20-59,788,979,438.40-11,916,576,998.40

Finding the Fourth Proportional to 39,864,421,459.20, 59,788,979,438.40 and 11,916,576,998.40

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Solution

The fourth proportional to 39,864,421,459.20, 59,788,979,438.40 and 11,916,576,998.40 is: 17,872,577,879.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,864,421,459.20 : 59,788,979,438.40 = 11,916,576,998.40 : x
  2. Step 2: Convert to fraction form
    39,864,421,459.20/59,788,979,438.40 = 11,916,576,998.40/x
  3. Step 3: Cross multiply
    39,864,421,459.20x = 59,788,979,438.40 × 11,916,576,998.40
  4. Step 4: Simplify right side
    39,864,421,459.20x = 712,479,977,133,447,970,816
  5. Step 5: Solve for x
    x = 712,479,977,133,447,970,816/39,864,421,459.20
  6. Step 6: Final answer
    x = 17,872,577,879.07

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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.