Home / 403,920,341.60-605,880,512.40-354,035,746.40

Finding the Fourth Proportional to 403,920,341.60, 605,880,512.40 and 354,035,746.40

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Solution

The fourth proportional to 403,920,341.60, 605,880,512.40 and 354,035,746.40 is: 531,053,619.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,920,341.60 : 605,880,512.40 = 354,035,746.40 : x
  2. Step 2: Convert to fraction form
    403,920,341.60/605,880,512.40 = 354,035,746.40/x
  3. Step 3: Cross multiply
    403,920,341.60x = 605,880,512.40 × 354,035,746.40
  4. Step 4: Simplify right side
    403,920,341.60x = 214,503,359,436,748,448
  5. Step 5: Solve for x
    x = 214,503,359,436,748,448/403,920,341.60
  6. Step 6: Final answer
    x = 531,053,619.60

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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.