Home / 569,356,493,931.70-785,734,614,787.35-312,448,584,919.05

Finding the Fourth Proportional to 569,356,493,931.70, 785,734,614,787.35 and 312,448,584,919.05

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Solution

The fourth proportional to 569,356,493,931.70, 785,734,614,787.35 and 312,448,584,919.05 is: 431,191,478,676.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,356,493,931.70 : 785,734,614,787.35 = 312,448,584,919.05 : x
  2. Step 2: Convert to fraction form
    569,356,493,931.70/785,734,614,787.35 = 312,448,584,919.05/x
  3. Step 3: Cross multiply
    569,356,493,931.70x = 785,734,614,787.35 × 312,448,584,919.05
  4. Step 4: Simplify right side
    569,356,493,931.70x = 245,501,668,512,222,333,108,224
  5. Step 5: Solve for x
    x = 245,501,668,512,222,333,108,224/569,356,493,931.70
  6. Step 6: Final answer
    x = 431,191,478,676.05

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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.