Home / 528,068,425.30-792,067,208.55-139,882,923.70

Finding the Fourth Proportional to 528,068,425.30, 792,067,208.55 and 139,882,923.70

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Solution

The fourth proportional to 528,068,425.30, 792,067,208.55 and 139,882,923.70 is: 209,815,000.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,068,425.30 : 792,067,208.55 = 139,882,923.70 : x
  2. Step 2: Convert to fraction form
    528,068,425.30/792,067,208.55 = 139,882,923.70/x
  3. Step 3: Cross multiply
    528,068,425.30x = 792,067,208.55 × 139,882,923.70
  4. Step 4: Simplify right side
    528,068,425.30x = 110,796,676,898,871,616
  5. Step 5: Solve for x
    x = 110,796,676,898,871,616/528,068,425.30
  6. Step 6: Final answer
    x = 209,815,000.46

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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.