Home / 10,865,095,110.90-16,297,642,666.35-9,121,702,910.40

Finding the Fourth Proportional to 10,865,095,110.90, 16,297,642,666.35 and 9,121,702,910.40

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Solution

The fourth proportional to 10,865,095,110.90, 16,297,642,666.35 and 9,121,702,910.40 is: 13,682,554,365.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865,095,110.90 : 16,297,642,666.35 = 9,121,702,910.40 : x
  2. Step 2: Convert to fraction form
    10,865,095,110.90/16,297,642,666.35 = 9,121,702,910.40/x
  3. Step 3: Cross multiply
    10,865,095,110.90x = 16,297,642,666.35 × 9,121,702,910.40
  4. Step 4: Simplify right side
    10,865,095,110.90x = 148,662,254,542,304,018,432
  5. Step 5: Solve for x
    x = 148,662,254,542,304,018,432/10,865,095,110.90
  6. Step 6: Final answer
    x = 13,682,554,365.60

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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.