Home / 306,970,095,566.11-423,590,303,416.04-169,789,969,312.72

Finding the Fourth Proportional to 306,970,095,566.11, 423,590,303,416.04 and 169,789,969,312.72

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Solution

The fourth proportional to 306,970,095,566.11, 423,590,303,416.04 and 169,789,969,312.72 is: 234,294,433,422.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,970,095,566.11 : 423,590,303,416.04 = 169,789,969,312.72 : x
  2. Step 2: Convert to fraction form
    306,970,095,566.11/423,590,303,416.04 = 169,789,969,312.72/x
  3. Step 3: Cross multiply
    306,970,095,566.11x = 423,590,303,416.04 × 169,789,969,312.72
  4. Step 4: Simplify right side
    306,970,095,566.11x = 71,921,384,618,175,181,619,200
  5. Step 5: Solve for x
    x = 71,921,384,618,175,181,619,200/306,970,095,566.11
  6. Step 6: Final answer
    x = 234,294,433,422.05

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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.