Home / 637,861,429.20-956,742,377.40-249,608,859.60

Finding the Fourth Proportional to 637,861,429.20, 956,742,377.40 and 249,608,859.60

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Solution

The fourth proportional to 637,861,429.20, 956,742,377.40 and 249,608,859.60 is: 374,393,814.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,861,429.20 : 956,742,377.40 = 249,608,859.60 : x
  2. Step 2: Convert to fraction form
    637,861,429.20/956,742,377.40 = 249,608,859.60/x
  3. Step 3: Cross multiply
    637,861,429.20x = 956,742,377.40 × 249,608,859.60
  4. Step 4: Simplify right side
    637,861,429.20x = 238,811,373,753,806,816
  5. Step 5: Solve for x
    x = 238,811,373,753,806,816/637,861,429.20
  6. Step 6: Final answer
    x = 374,393,814.74

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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.