Home / 474,804,425.20-712,206,637.80-393,175,087.60

Finding the Fourth Proportional to 474,804,425.20, 712,206,637.80 and 393,175,087.60

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Solution

The fourth proportional to 474,804,425.20, 712,206,637.80 and 393,175,087.60 is: 589,762,631.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,804,425.20 : 712,206,637.80 = 393,175,087.60 : x
  2. Step 2: Convert to fraction form
    474,804,425.20/712,206,637.80 = 393,175,087.60/x
  3. Step 3: Cross multiply
    474,804,425.20x = 712,206,637.80 × 393,175,087.60
  4. Step 4: Simplify right side
    474,804,425.20x = 280,021,907,206,316,480
  5. Step 5: Solve for x
    x = 280,021,907,206,316,480/474,804,425.20
  6. Step 6: Final answer
    x = 589,762,631.40

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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.