Home / 376,420,443.40-564,630,665.10-298,936,345.60

Finding the Fourth Proportional to 376,420,443.40, 564,630,665.10 and 298,936,345.60

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Solution

The fourth proportional to 376,420,443.40, 564,630,665.10 and 298,936,345.60 is: 448,404,518.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,420,443.40 : 564,630,665.10 = 298,936,345.60 : x
  2. Step 2: Convert to fraction form
    376,420,443.40/564,630,665.10 = 298,936,345.60/x
  3. Step 3: Cross multiply
    376,420,443.40x = 564,630,665.10 × 298,936,345.60
  4. Step 4: Simplify right side
    376,420,443.40x = 168,788,627,638,691,488
  5. Step 5: Solve for x
    x = 168,788,627,638,691,488/376,420,443.40
  6. Step 6: Final answer
    x = 448,404,518.40

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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.