Home / 810,523,626.53-1,118,523,561.15-439,245,657.90

Finding the Fourth Proportional to 810,523,626.53, 1,118,523,561.15 and 439,245,657.90

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Solution

The fourth proportional to 810,523,626.53, 1,118,523,561.15 and 439,245,657.90 is: 606,159,526.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,523,626.53 : 1,118,523,561.15 = 439,245,657.90 : x
  2. Step 2: Convert to fraction form
    810,523,626.53/1,118,523,561.15 = 439,245,657.90/x
  3. Step 3: Cross multiply
    810,523,626.53x = 1,118,523,561.15 × 439,245,657.90
  4. Step 4: Simplify right side
    810,523,626.53x = 491,306,617,495,607,872
  5. Step 5: Solve for x
    x = 491,306,617,495,607,872/810,523,626.53
  6. Step 6: Final answer
    x = 606,159,526.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.