Home / 479,866,359.10-719,799,538.65-442,074,999.10

Finding the Fourth Proportional to 479,866,359.10, 719,799,538.65 and 442,074,999.10

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Solution

The fourth proportional to 479,866,359.10, 719,799,538.65 and 442,074,999.10 is: 663,112,498.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,866,359.10 : 719,799,538.65 = 442,074,999.10 : x
  2. Step 2: Convert to fraction form
    479,866,359.10/719,799,538.65 = 442,074,999.10/x
  3. Step 3: Cross multiply
    479,866,359.10x = 719,799,538.65 × 442,074,999.10
  4. Step 4: Simplify right side
    479,866,359.10x = 318,205,380,400,879,168
  5. Step 5: Solve for x
    x = 318,205,380,400,879,168/479,866,359.10
  6. Step 6: Final answer
    x = 663,112,498.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.