Home / 569,772,631.40-786,368,809.85-328,321,632.15

Finding the Fourth Proportional to 569,772,631.40, 786,368,809.85 and 328,321,632.15

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Solution

The fourth proportional to 569,772,631.40, 786,368,809.85 and 328,321,632.15 is: 453,131,436.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,772,631.40 : 786,368,809.85 = 328,321,632.15 : x
  2. Step 2: Convert to fraction form
    569,772,631.40/786,368,809.85 = 328,321,632.15/x
  3. Step 3: Cross multiply
    569,772,631.40x = 786,368,809.85 × 328,321,632.15
  4. Step 4: Simplify right side
    569,772,631.40x = 258,181,891,120,163,392
  5. Step 5: Solve for x
    x = 258,181,891,120,163,392/569,772,631.40
  6. Step 6: Final answer
    x = 453,131,436.81

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.