Home / 10,228,207,515.48-14,112,879,247.48-5,711,391,589.78

Finding the Fourth Proportional to 10,228,207,515.48, 14,112,879,247.48 and 5,711,391,589.78

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Solution

The fourth proportional to 10,228,207,515.48, 14,112,879,247.48 and 5,711,391,589.78 is: 7,880,577,287.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,228,207,515.48 : 14,112,879,247.48 = 5,711,391,589.78 : x
  2. Step 2: Convert to fraction form
    10,228,207,515.48/14,112,879,247.48 = 5,711,391,589.78/x
  3. Step 3: Cross multiply
    10,228,207,515.48x = 14,112,879,247.48 × 5,711,391,589.78
  4. Step 4: Simplify right side
    10,228,207,515.48x = 80,604,179,841,637,957,632
  5. Step 5: Solve for x
    x = 80,604,179,841,637,957,632/10,228,207,515.48
  6. Step 6: Final answer
    x = 7,880,577,287.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.