Home / 10,081,418,926.40-15,122,128,389.60-8,722,464,430.40

Finding the Fourth Proportional to 10,081,418,926.40, 15,122,128,389.60 and 8,722,464,430.40

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Solution

The fourth proportional to 10,081,418,926.40, 15,122,128,389.60 and 8,722,464,430.40 is: 13,083,696,645.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,081,418,926.40 : 15,122,128,389.60 = 8,722,464,430.40 : x
  2. Step 2: Convert to fraction form
    10,081,418,926.40/15,122,128,389.60 = 8,722,464,430.40/x
  3. Step 3: Cross multiply
    10,081,418,926.40x = 15,122,128,389.60 × 8,722,464,430.40
  4. Step 4: Simplify right side
    10,081,418,926.40x = 131,902,226,990,228,029,440
  5. Step 5: Solve for x
    x = 131,902,226,990,228,029,440/10,081,418,926.40
  6. Step 6: Final answer
    x = 13,083,696,645.60

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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.