Home / 1,244,164,897.31-1,716,878,649.24-679,537,359.36

Finding the Fourth Proportional to 1,244,164,897.31, 1,716,878,649.24 and 679,537,359.36

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Solution

The fourth proportional to 1,244,164,897.31, 1,716,878,649.24 and 679,537,359.36 is: 937,723,919.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,164,897.31 : 1,716,878,649.24 = 679,537,359.36 : x
  2. Step 2: Convert to fraction form
    1,244,164,897.31/1,716,878,649.24 = 679,537,359.36/x
  3. Step 3: Cross multiply
    1,244,164,897.31x = 1,716,878,649.24 × 679,537,359.36
  4. Step 4: Simplify right side
    1,244,164,897.31x = 1,166,683,183,646,113,280
  5. Step 5: Solve for x
    x = 1,166,683,183,646,113,280/1,244,164,897.31
  6. Step 6: Final answer
    x = 937,723,919.21

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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.