Home / 930,097,962.40-1,395,146,943.60-413,537,310.40

Finding the Fourth Proportional to 930,097,962.40, 1,395,146,943.60 and 413,537,310.40

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Solution

The fourth proportional to 930,097,962.40, 1,395,146,943.60 and 413,537,310.40 is: 620,305,965.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,097,962.40 : 1,395,146,943.60 = 413,537,310.40 : x
  2. Step 2: Convert to fraction form
    930,097,962.40/1,395,146,943.60 = 413,537,310.40/x
  3. Step 3: Cross multiply
    930,097,962.40x = 1,395,146,943.60 × 413,537,310.40
  4. Step 4: Simplify right side
    930,097,962.40x = 576,945,314,669,124,480
  5. Step 5: Solve for x
    x = 576,945,314,669,124,480/930,097,962.40
  6. Step 6: Final answer
    x = 620,305,965.60

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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.