Home / 2,921,970,736.19-4,382,894,697.93-711,192,783.72

Finding the Fourth Proportional to 2,921,970,736.19, 4,382,894,697.93 and 711,192,783.72

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Solution

The fourth proportional to 2,921,970,736.19, 4,382,894,697.93 and 711,192,783.72 is: 1,066,774,229.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921,970,736.19 : 4,382,894,697.93 = 711,192,783.72 : x
  2. Step 2: Convert to fraction form
    2,921,970,736.19/4,382,894,697.93 = 711,192,783.72/x
  3. Step 3: Cross multiply
    2,921,970,736.19x = 4,382,894,697.93 × 711,192,783.72
  4. Step 4: Simplify right side
    2,921,970,736.19x = 3,117,083,080,968,909,312
  5. Step 5: Solve for x
    x = 3,117,083,080,968,909,312/2,921,970,736.19
  6. Step 6: Final answer
    x = 1,066,774,229.59

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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.