Home / 1,292,321,502,058.30-1,938,521,744,468.10-443,366,123,578.10

Finding the Fourth Proportional to 1,292,321,502,058.30, 1,938,521,744,468.10 and 443,366,123,578.10

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Solution

The fourth proportional to 1,292,321,502,058.30, 1,938,521,744,468.10 and 443,366,123,578.10 is: 665,062,733,961.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,321,502,058.30 : 1,938,521,744,468.10 = 443,366,123,578.10 : x
  2. Step 2: Convert to fraction form
    1,292,321,502,058.30/1,938,521,744,468.10 = 443,366,123,578.10/x
  3. Step 3: Cross multiply
    1,292,321,502,058.30x = 1,938,521,744,468.10 × 443,366,123,578.10
  4. Step 4: Simplify right side
    1,292,321,502,058.30x = 859,474,871,316,677,578,981,376
  5. Step 5: Solve for x
    x = 859,474,871,316,677,578,981,376/1,292,321,502,058.30
  6. Step 6: Final answer
    x = 665,062,733,961.93

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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.