Home / 628,308,688.11-867,072,013.35-346,057,527.87

Finding the Fourth Proportional to 628,308,688.11, 867,072,013.35 and 346,057,527.87

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Solution

The fourth proportional to 628,308,688.11, 867,072,013.35 and 346,057,527.87 is: 477,562,706.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,308,688.11 : 867,072,013.35 = 346,057,527.87 : x
  2. Step 2: Convert to fraction form
    628,308,688.11/867,072,013.35 = 346,057,527.87/x
  3. Step 3: Cross multiply
    628,308,688.11x = 867,072,013.35 × 346,057,527.87
  4. Step 4: Simplify right side
    628,308,688.11x = 300,056,797,425,164,672
  5. Step 5: Solve for x
    x = 300,056,797,425,164,672/628,308,688.11
  6. Step 6: Final answer
    x = 477,562,706.20

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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.