Home / 11,211,349,762.52-15,464,372,616.45-7,190,651,500.16

Finding the Fourth Proportional to 11,211,349,762.52, 15,464,372,616.45 and 7,190,651,500.16

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Solution

The fourth proportional to 11,211,349,762.52, 15,464,372,616.45 and 7,190,651,500.16 is: 9,918,423,428.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,211,349,762.52 : 15,464,372,616.45 = 7,190,651,500.16 : x
  2. Step 2: Convert to fraction form
    11,211,349,762.52/15,464,372,616.45 = 7,190,651,500.16/x
  3. Step 3: Cross multiply
    11,211,349,762.52x = 15,464,372,616.45 × 7,190,651,500.16
  4. Step 4: Simplify right side
    11,211,349,762.52x = 111,198,914,153,509,421,056
  5. Step 5: Solve for x
    x = 111,198,914,153,509,421,056/11,211,349,762.52
  6. Step 6: Final answer
    x = 9,918,423,428.84

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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.