Home / 644,155,287.40-966,516,366.30-298,931,213.80

Finding the Fourth Proportional to 644,155,287.40, 966,516,366.30 and 298,931,213.80

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Solution

The fourth proportional to 644,155,287.40, 966,516,366.30 and 298,931,213.80 is: 448,528,353.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,155,287.40 : 966,516,366.30 = 298,931,213.80 : x
  2. Step 2: Convert to fraction form
    644,155,287.40/966,516,366.30 = 298,931,213.80/x
  3. Step 3: Cross multiply
    644,155,287.40x = 966,516,366.30 × 298,931,213.80
  4. Step 4: Simplify right side
    644,155,287.40x = 288,921,910,535,624,384
  5. Step 5: Solve for x
    x = 288,921,910,535,624,384/644,155,287.40
  6. Step 6: Final answer
    x = 448,528,353.62

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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.