Home / 810,523,654.29-1,118,523,599.19-439,245,685.67

Finding the Fourth Proportional to 810,523,654.29, 1,118,523,599.19 and 439,245,685.67

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Solution

The fourth proportional to 810,523,654.29, 1,118,523,599.19 and 439,245,685.67 is: 606,159,564.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,523,654.29 : 1,118,523,599.19 = 439,245,685.67 : x
  2. Step 2: Convert to fraction form
    810,523,654.29/1,118,523,599.19 = 439,245,685.67/x
  3. Step 3: Cross multiply
    810,523,654.29x = 1,118,523,599.19 × 439,245,685.67
  4. Step 4: Simplify right side
    810,523,654.29x = 491,306,665,258,695,232
  5. Step 5: Solve for x
    x = 491,306,665,258,695,232/810,523,654.29
  6. Step 6: Final answer
    x = 606,159,564.45

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Double scale
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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.