Home / 1,109,478,076.07-1,666,872,078.84-711,416,536.13

Finding the Fourth Proportional to 1,109,478,076.07, 1,666,872,078.84 and 711,416,536.13

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Solution

The fourth proportional to 1,109,478,076.07, 1,666,872,078.84 and 711,416,536.13 is: 1,068,827,213.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,478,076.07 : 1,666,872,078.84 = 711,416,536.13 : x
  2. Step 2: Convert to fraction form
    1,109,478,076.07/1,666,872,078.84 = 711,416,536.13/x
  3. Step 3: Cross multiply
    1,109,478,076.07x = 1,666,872,078.84 × 711,416,536.13
  4. Step 4: Simplify right side
    1,109,478,076.07x = 1,185,840,360,504,332,288
  5. Step 5: Solve for x
    x = 1,185,840,360,504,332,288/1,109,478,076.07
  6. Step 6: Final answer
    x = 1,068,827,213.52

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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.