Home / 880,927,837.65-1,215,711,637.11-484,481,488.47

Finding the Fourth Proportional to 880,927,837.65, 1,215,711,637.11 and 484,481,488.47

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Solution

The fourth proportional to 880,927,837.65, 1,215,711,637.11 and 484,481,488.47 is: 668,601,624.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,927,837.65 : 1,215,711,637.11 = 484,481,488.47 : x
  2. Step 2: Convert to fraction form
    880,927,837.65/1,215,711,637.11 = 484,481,488.47/x
  3. Step 3: Cross multiply
    880,927,837.65x = 1,215,711,637.11 × 484,481,488.47
  4. Step 4: Simplify right side
    880,927,837.65x = 588,989,783,497,353,216
  5. Step 5: Solve for x
    x = 588,989,783,497,353,216/880,927,837.65
  6. Step 6: Final answer
    x = 668,601,624.70

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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.