Home / 716,744,834,866.10-989,108,268,962.73-387,147,871,529.72

Finding the Fourth Proportional to 716,744,834,866.10, 989,108,268,962.73 and 387,147,871,529.72

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Solution

The fourth proportional to 716,744,834,866.10, 989,108,268,962.73 and 387,147,871,529.72 is: 534,264,277,067.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,744,834,866.10 : 989,108,268,962.73 = 387,147,871,529.72 : x
  2. Step 2: Convert to fraction form
    716,744,834,866.10/989,108,268,962.73 = 387,147,871,529.72/x
  3. Step 3: Cross multiply
    716,744,834,866.10x = 989,108,268,962.73 × 387,147,871,529.72
  4. Step 4: Simplify right side
    716,744,834,866.10x = 382,931,161,041,366,704,717,824
  5. Step 5: Solve for x
    x = 382,931,161,041,366,704,717,824/716,744,834,866.10
  6. Step 6: Final answer
    x = 534,264,277,067.17

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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.