Home / 286,924,455.19-429,938,279.43-199,656,476.71

Finding the Fourth Proportional to 286,924,455.19, 429,938,279.43 and 199,656,476.71

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Solution

The fourth proportional to 286,924,455.19, 429,938,279.43 and 199,656,476.71 is: 299,172,693.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,924,455.19 : 429,938,279.43 = 199,656,476.71 : x
  2. Step 2: Convert to fraction form
    286,924,455.19/429,938,279.43 = 199,656,476.71/x
  3. Step 3: Cross multiply
    286,924,455.19x = 429,938,279.43 × 199,656,476.71
  4. Step 4: Simplify right side
    286,924,455.19x = 85,839,962,071,929,712
  5. Step 5: Solve for x
    x = 85,839,962,071,929,712/286,924,455.19
  6. Step 6: Final answer
    x = 299,172,693.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.