Home / 403,920,639.60-605,880,959.40-354,036,044.40

Finding the Fourth Proportional to 403,920,639.60, 605,880,959.40 and 354,036,044.40

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Solution

The fourth proportional to 403,920,639.60, 605,880,959.40 and 354,036,044.40 is: 531,054,066.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,920,639.60 : 605,880,959.40 = 354,036,044.40 : x
  2. Step 2: Convert to fraction form
    403,920,639.60/605,880,959.40 = 354,036,044.40/x
  3. Step 3: Cross multiply
    403,920,639.60x = 605,880,959.40 × 354,036,044.40
  4. Step 4: Simplify right side
    403,920,639.60x = 214,503,698,243,252,960
  5. Step 5: Solve for x
    x = 214,503,698,243,252,960/403,920,639.60
  6. Step 6: Final answer
    x = 531,054,066.60

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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.