Home / 898,810,647,241.65-1,240,492,992,490.80-707,561,975,673.84

Finding the Fourth Proportional to 898,810,647,241.65, 1,240,492,992,490.80 and 707,561,975,673.84

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Solution

The fourth proportional to 898,810,647,241.65, 1,240,492,992,490.80 and 707,561,975,673.84 is: 976,541,249,561.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,810,647,241.65 : 1,240,492,992,490.80 = 707,561,975,673.84 : x
  2. Step 2: Convert to fraction form
    898,810,647,241.65/1,240,492,992,490.80 = 707,561,975,673.84/x
  3. Step 3: Cross multiply
    898,810,647,241.65x = 1,240,492,992,490.80 × 707,561,975,673.84
  4. Step 4: Simplify right side
    898,810,647,241.65x = 877,725,672,576,344,456,691,712
  5. Step 5: Solve for x
    x = 877,725,672,576,344,456,691,712/898,810,647,241.65
  6. Step 6: Final answer
    x = 976,541,249,561.28

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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.