Home / 712,971,338.22-1,068,702,204.96-239,819,956.95

Finding the Fourth Proportional to 712,971,338.22, 1,068,702,204.96 and 239,819,956.95

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Solution

The fourth proportional to 712,971,338.22, 1,068,702,204.96 and 239,819,956.95 is: 359,476,044.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,971,338.22 : 1,068,702,204.96 = 239,819,956.95 : x
  2. Step 2: Convert to fraction form
    712,971,338.22/1,068,702,204.96 = 239,819,956.95/x
  3. Step 3: Cross multiply
    712,971,338.22x = 1,068,702,204.96 × 239,819,956.95
  4. Step 4: Simplify right side
    712,971,338.22x = 256,296,116,785,877,280
  5. Step 5: Solve for x
    x = 256,296,116,785,877,280/712,971,338.22
  6. Step 6: Final answer
    x = 359,476,044.89

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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.