Home / 375,017,698.36-517,475,345.70-216,253,685.20

Finding the Fourth Proportional to 375,017,698.36, 517,475,345.70 and 216,253,685.20

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Solution

The fourth proportional to 375,017,698.36, 517,475,345.70 and 216,253,685.20 is: 298,401,784.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,017,698.36 : 517,475,345.70 = 216,253,685.20 : x
  2. Step 2: Convert to fraction form
    375,017,698.36/517,475,345.70 = 216,253,685.20/x
  3. Step 3: Cross multiply
    375,017,698.36x = 517,475,345.70 × 216,253,685.20
  4. Step 4: Simplify right side
    375,017,698.36x = 111,905,950,507,768,960
  5. Step 5: Solve for x
    x = 111,905,950,507,768,960/375,017,698.36
  6. Step 6: Final answer
    x = 298,401,784.76

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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.