Home / 504,455,485.20-756,683,227.80-472,170,444.45

Finding the Fourth Proportional to 504,455,485.20, 756,683,227.80 and 472,170,444.45

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Solution

The fourth proportional to 504,455,485.20, 756,683,227.80 and 472,170,444.45 is: 708,255,666.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,455,485.20 : 756,683,227.80 = 472,170,444.45 : x
  2. Step 2: Convert to fraction form
    504,455,485.20/756,683,227.80 = 472,170,444.45/x
  3. Step 3: Cross multiply
    504,455,485.20x = 756,683,227.80 × 472,170,444.45
  4. Step 4: Simplify right side
    504,455,485.20x = 357,283,455,978,186,560
  5. Step 5: Solve for x
    x = 357,283,455,978,186,560/504,455,485.20
  6. Step 6: Final answer
    x = 708,255,666.68

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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.