Home / 999,509,466.11-1,498,375,114.83-474,554,703.51

Finding the Fourth Proportional to 999,509,466.11, 1,498,375,114.83 and 474,554,703.51

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Solution

The fourth proportional to 999,509,466.11, 1,498,375,114.83 and 474,554,703.51 is: 711,409,929.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,509,466.11 : 1,498,375,114.83 = 474,554,703.51 : x
  2. Step 2: Convert to fraction form
    999,509,466.11/1,498,375,114.83 = 474,554,703.51/x
  3. Step 3: Cross multiply
    999,509,466.11x = 1,498,375,114.83 × 474,554,703.51
  4. Step 4: Simplify right side
    999,509,466.11x = 711,060,958,364,912,768
  5. Step 5: Solve for x
    x = 711,060,958,364,912,768/999,509,466.11
  6. Step 6: Final answer
    x = 711,409,929.05

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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.