Home / 716,744,834,864.10-989,108,268,959.97-387,147,871,527.72

Finding the Fourth Proportional to 716,744,834,864.10, 989,108,268,959.97 and 387,147,871,527.72

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Solution

The fourth proportional to 716,744,834,864.10, 989,108,268,959.97 and 387,147,871,527.72 is: 534,264,277,064.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,744,834,864.10 : 989,108,268,959.97 = 387,147,871,527.72 : x
  2. Step 2: Convert to fraction form
    716,744,834,864.10/989,108,268,959.97 = 387,147,871,527.72/x
  3. Step 3: Cross multiply
    716,744,834,864.10x = 989,108,268,959.97 × 387,147,871,527.72
  4. Step 4: Simplify right side
    716,744,834,864.10x = 382,931,161,038,319,962,292,224
  5. Step 5: Solve for x
    x = 382,931,161,038,319,962,292,224/716,744,834,864.10
  6. Step 6: Final answer
    x = 534,264,277,064.41

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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.