Home / 579,304,749.83-869,343,498.65-210,839,599.49

Finding the Fourth Proportional to 579,304,749.83, 869,343,498.65 and 210,839,599.49

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Solution

The fourth proportional to 579,304,749.83, 869,343,498.65 and 210,839,599.49 is: 316,400,021.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,304,749.83 : 869,343,498.65 = 210,839,599.49 : x
  2. Step 2: Convert to fraction form
    579,304,749.83/869,343,498.65 = 210,839,599.49/x
  3. Step 3: Cross multiply
    579,304,749.83x = 869,343,498.65 × 210,839,599.49
  4. Step 4: Simplify right side
    579,304,749.83x = 183,292,035,070,781,760
  5. Step 5: Solve for x
    x = 183,292,035,070,781,760/579,304,749.83
  6. Step 6: Final answer
    x = 316,400,021.10

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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.