Home / 803,916,220,318.30-1,206,230,431,923.90-421,369,381,674.47

Finding the Fourth Proportional to 803,916,220,318.30, 1,206,230,431,923.90 and 421,369,381,674.47

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Solution

The fourth proportional to 803,916,220,318.30, 1,206,230,431,923.90 and 421,369,381,674.47 is: 632,240,721,620.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,916,220,318.30 : 1,206,230,431,923.90 = 421,369,381,674.47 : x
  2. Step 2: Convert to fraction form
    803,916,220,318.30/1,206,230,431,923.90 = 421,369,381,674.47/x
  3. Step 3: Cross multiply
    803,916,220,318.30x = 1,206,230,431,923.90 × 421,369,381,674.47
  4. Step 4: Simplify right side
    803,916,220,318.30x = 508,268,571,256,702,529,175,552
  5. Step 5: Solve for x
    x = 508,268,571,256,702,529,175,552/803,916,220,318.30
  6. Step 6: Final answer
    x = 632,240,721,620.79

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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.