Home / 810,523,674.72-1,118,523,627.88-439,245,706.10

Finding the Fourth Proportional to 810,523,674.72, 1,118,523,627.88 and 439,245,706.10

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Solution

The fourth proportional to 810,523,674.72, 1,118,523,627.88 and 439,245,706.10 is: 606,159,592.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,523,674.72 : 1,118,523,627.88 = 439,245,706.10 : x
  2. Step 2: Convert to fraction form
    810,523,674.72/1,118,523,627.88 = 439,245,706.10/x
  3. Step 3: Cross multiply
    810,523,674.72x = 1,118,523,627.88 × 439,245,706.10
  4. Step 4: Simplify right side
    810,523,674.72x = 491,306,700,710,993,600
  5. Step 5: Solve for x
    x = 491,306,700,710,993,600/810,523,674.72
  6. Step 6: Final answer
    x = 606,159,592.91

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1.5x scale

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.