Home / 491,243,167.20-734,849,211.60-442,870,226.40

Finding the Fourth Proportional to 491,243,167.20, 734,849,211.60 and 442,870,226.40

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Solution

The fourth proportional to 491,243,167.20, 734,849,211.60 and 442,870,226.40 is: 662,488,271.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,243,167.20 : 734,849,211.60 = 442,870,226.40 : x
  2. Step 2: Convert to fraction form
    491,243,167.20/734,849,211.60 = 442,870,226.40/x
  3. Step 3: Cross multiply
    491,243,167.20x = 734,849,211.60 × 442,870,226.40
  4. Step 4: Simplify right side
    491,243,167.20x = 325,442,836,711,153,472
  5. Step 5: Solve for x
    x = 325,442,836,711,153,472/491,243,167.20
  6. Step 6: Final answer
    x = 662,488,271.47

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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.