Home / 375,017,698.64-517,475,346.15-216,253,685.50

Finding the Fourth Proportional to 375,017,698.64, 517,475,346.15 and 216,253,685.50

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Solution

The fourth proportional to 375,017,698.64, 517,475,346.15 and 216,253,685.50 is: 298,401,785.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,017,698.64 : 517,475,346.15 = 216,253,685.50 : x
  2. Step 2: Convert to fraction form
    375,017,698.64/517,475,346.15 = 216,253,685.50/x
  3. Step 3: Cross multiply
    375,017,698.64x = 517,475,346.15 × 216,253,685.50
  4. Step 4: Simplify right side
    375,017,698.64x = 111,905,950,759,845,168
  5. Step 5: Solve for x
    x = 111,905,950,759,845,168/375,017,698.64
  6. Step 6: Final answer
    x = 298,401,785.21

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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.