Home / 1,243,971,952.98-1,716,669,993.42-679,456,717.18

Finding the Fourth Proportional to 1,243,971,952.98, 1,716,669,993.42 and 679,456,717.18

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Solution

The fourth proportional to 1,243,971,952.98, 1,716,669,993.42 and 679,456,717.18 is: 937,644,096.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,971,952.98 : 1,716,669,993.42 = 679,456,717.18 : x
  2. Step 2: Convert to fraction form
    1,243,971,952.98/1,716,669,993.42 = 679,456,717.18/x
  3. Step 3: Cross multiply
    1,243,971,952.98x = 1,716,669,993.42 × 679,456,717.18
  4. Step 4: Simplify right side
    1,243,971,952.98x = 1,166,402,958,210,565,376
  5. Step 5: Solve for x
    x = 1,166,402,958,210,565,376/1,243,971,952.98
  6. Step 6: Final answer
    x = 937,644,096.73

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Double scale
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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.