Home / 712,971,338.96-1,068,702,206.09-239,819,957.71

Finding the Fourth Proportional to 712,971,338.96, 1,068,702,206.09 and 239,819,957.71

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Solution

The fourth proportional to 712,971,338.96, 1,068,702,206.09 and 239,819,957.71 is: 359,476,046.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,971,338.96 : 1,068,702,206.09 = 239,819,957.71 : x
  2. Step 2: Convert to fraction form
    712,971,338.96/1,068,702,206.09 = 239,819,957.71/x
  3. Step 3: Cross multiply
    712,971,338.96x = 1,068,702,206.09 × 239,819,957.71
  4. Step 4: Simplify right side
    712,971,338.96x = 256,296,117,865,216,672
  5. Step 5: Solve for x
    x = 256,296,117,865,216,672/712,971,338.96
  6. Step 6: Final answer
    x = 359,476,046.03

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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.