Home / 809,146,068.32-1,116,621,575.70-437,868,099.56

Finding the Fourth Proportional to 809,146,068.32, 1,116,621,575.70 and 437,868,099.56

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Solution

The fourth proportional to 809,146,068.32, 1,116,621,575.70 and 437,868,099.56 is: 604,257,978.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,146,068.32 : 1,116,621,575.70 = 437,868,099.56 : x
  2. Step 2: Convert to fraction form
    809,146,068.32/1,116,621,575.70 = 437,868,099.56/x
  3. Step 3: Cross multiply
    809,146,068.32x = 1,116,621,575.70 × 437,868,099.56
  4. Step 4: Simplify right side
    809,146,068.32x = 488,932,967,279,451,712
  5. Step 5: Solve for x
    x = 488,932,967,279,451,712/809,146,068.32
  6. Step 6: Final answer
    x = 604,257,978.16

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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.