Home / 308,369,558.16-425,548,851.66-190,871,496

Finding the Fourth Proportional to 308,369,558.16, 425,548,851.66 and 190,871,496

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Solution

The fourth proportional to 308,369,558.16, 425,548,851.66 and 190,871,496 is: 263,401,959.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,369,558.16 : 425,548,851.66 = 190,871,496 : x
  2. Step 2: Convert to fraction form
    308,369,558.16/425,548,851.66 = 190,871,496/x
  3. Step 3: Cross multiply
    308,369,558.16x = 425,548,851.66 × 190,871,496
  4. Step 4: Simplify right side
    308,369,558.16x = 81,225,145,937,426,288
  5. Step 5: Solve for x
    x = 81,225,145,937,426,288/308,369,558.16
  6. Step 6: Final answer
    x = 263,401,959.72

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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.