Home / 716,744,834,890.98-989,108,268,997.14-387,147,871,554.63

Finding the Fourth Proportional to 716,744,834,890.98, 989,108,268,997.14 and 387,147,871,554.63

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Solution

The fourth proportional to 716,744,834,890.98, 989,108,268,997.14 and 387,147,871,554.63 is: 534,264,277,101.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,744,834,890.98 : 989,108,268,997.14 = 387,147,871,554.63 : x
  2. Step 2: Convert to fraction form
    716,744,834,890.98/989,108,268,997.14 = 387,147,871,554.63/x
  3. Step 3: Cross multiply
    716,744,834,890.98x = 989,108,268,997.14 × 387,147,871,554.63
  4. Step 4: Simplify right side
    716,744,834,890.98x = 382,931,161,079,327,169,183,744
  5. Step 5: Solve for x
    x = 382,931,161,079,327,169,183,744/716,744,834,890.98
  6. Step 6: Final answer
    x = 534,264,277,101.59

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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.