Home / 810,523,657.47-1,118,523,604.08-439,245,688.86

Finding the Fourth Proportional to 810,523,657.47, 1,118,523,604.08 and 439,245,688.86

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Solution

The fourth proportional to 810,523,657.47, 1,118,523,604.08 and 439,245,688.86 is: 606,159,569.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,523,657.47 : 1,118,523,604.08 = 439,245,688.86 : x
  2. Step 2: Convert to fraction form
    810,523,657.47/1,118,523,604.08 = 439,245,688.86/x
  3. Step 3: Cross multiply
    810,523,657.47x = 1,118,523,604.08 × 439,245,688.86
  4. Step 4: Simplify right side
    810,523,657.47x = 491,306,670,980,289,472
  5. Step 5: Solve for x
    x = 491,306,670,980,289,472/810,523,657.47
  6. Step 6: Final answer
    x = 606,159,569.13

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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.