Home / 617,857,161.45-852,402,582.18-349,871,476.20

Finding the Fourth Proportional to 617,857,161.45, 852,402,582.18 and 349,871,476.20

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Solution

The fourth proportional to 617,857,161.45, 852,402,582.18 and 349,871,476.20 is: 482,686,563.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,857,161.45 : 852,402,582.18 = 349,871,476.20 : x
  2. Step 2: Convert to fraction form
    617,857,161.45/852,402,582.18 = 349,871,476.20/x
  3. Step 3: Cross multiply
    617,857,161.45x = 852,402,582.18 × 349,871,476.20
  4. Step 4: Simplify right side
    617,857,161.45x = 298,231,349,744,008,384
  5. Step 5: Solve for x
    x = 298,231,349,744,008,384/617,857,161.45
  6. Step 6: Final answer
    x = 482,686,563.10

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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.