Home / 810,523,614.35-1,118,523,544.34-439,245,645.72

Finding the Fourth Proportional to 810,523,614.35, 1,118,523,544.34 and 439,245,645.72

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Solution

The fourth proportional to 810,523,614.35, 1,118,523,544.34 and 439,245,645.72 is: 606,159,509.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,523,614.35 : 1,118,523,544.34 = 439,245,645.72 : x
  2. Step 2: Convert to fraction form
    810,523,614.35/1,118,523,544.34 = 439,245,645.72/x
  3. Step 3: Cross multiply
    810,523,614.35x = 1,118,523,544.34 × 439,245,645.72
  4. Step 4: Simplify right side
    810,523,614.35x = 491,306,596,484,450,176
  5. Step 5: Solve for x
    x = 491,306,596,484,450,176/810,523,614.35
  6. Step 6: Final answer
    x = 606,159,509.47

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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.