Home / 375,838,777.17-518,669,307.14-217,065,950.64

Finding the Fourth Proportional to 375,838,777.17, 518,669,307.14 and 217,065,950.64

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Solution

The fourth proportional to 375,838,777.17, 518,669,307.14 and 217,065,950.64 is: 299,557,823.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,838,777.17 : 518,669,307.14 = 217,065,950.64 : x
  2. Step 2: Convert to fraction form
    375,838,777.17/518,669,307.14 = 217,065,950.64/x
  3. Step 3: Cross multiply
    375,838,777.17x = 518,669,307.14 × 217,065,950.64
  4. Step 4: Simplify right side
    375,838,777.17x = 112,585,446,221,048,896
  5. Step 5: Solve for x
    x = 112,585,446,221,048,896/375,838,777.17
  6. Step 6: Final answer
    x = 299,557,823.89

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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.