Home / 705,417,138.32-1,057,533,814.44-311,880,427.64

Finding the Fourth Proportional to 705,417,138.32, 1,057,533,814.44 and 311,880,427.64

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Solution

The fourth proportional to 705,417,138.32, 1,057,533,814.44 and 311,880,427.64 is: 467,558,952.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,417,138.32 : 1,057,533,814.44 = 311,880,427.64 : x
  2. Step 2: Convert to fraction form
    705,417,138.32/1,057,533,814.44 = 311,880,427.64/x
  3. Step 3: Cross multiply
    705,417,138.32x = 1,057,533,814.44 × 311,880,427.64
  4. Step 4: Simplify right side
    705,417,138.32x = 329,824,098,291,307,584
  5. Step 5: Solve for x
    x = 329,824,098,291,307,584/705,417,138.32
  6. Step 6: Final answer
    x = 467,558,952.53

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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.