Home / 569,047,240.32-785,285,988.48-308,286,856.32

Finding the Fourth Proportional to 569,047,240.32, 785,285,988.48 and 308,286,856.32

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Solution

The fourth proportional to 569,047,240.32, 785,285,988.48 and 308,286,856.32 is: 425,436,293.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,047,240.32 : 785,285,988.48 = 308,286,856.32 : x
  2. Step 2: Convert to fraction form
    569,047,240.32/785,285,988.48 = 308,286,856.32/x
  3. Step 3: Cross multiply
    569,047,240.32x = 785,285,988.48 × 308,286,856.32
  4. Step 4: Simplify right side
    569,047,240.32x = 242,093,348,700,642,944
  5. Step 5: Solve for x
    x = 242,093,348,700,642,944/569,047,240.32
  6. Step 6: Final answer
    x = 425,436,293.42

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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.