Home / 401,916,616.80-602,874,925.20-398,515,394.40

Finding the Fourth Proportional to 401,916,616.80, 602,874,925.20 and 398,515,394.40

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Solution

The fourth proportional to 401,916,616.80, 602,874,925.20 and 398,515,394.40 is: 597,773,091.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,916,616.80 : 602,874,925.20 = 398,515,394.40 : x
  2. Step 2: Convert to fraction form
    401,916,616.80/602,874,925.20 = 398,515,394.40/x
  3. Step 3: Cross multiply
    401,916,616.80x = 602,874,925.20 × 398,515,394.40
  4. Step 4: Simplify right side
    401,916,616.80x = 240,254,938,589,948,512
  5. Step 5: Solve for x
    x = 240,254,938,589,948,512/401,916,616.80
  6. Step 6: Final answer
    x = 597,773,091.60

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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.