Home / 521,626,528.80-782,439,793.20-249,528,736.80

Finding the Fourth Proportional to 521,626,528.80, 782,439,793.20 and 249,528,736.80

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Solution

The fourth proportional to 521,626,528.80, 782,439,793.20 and 249,528,736.80 is: 374,293,105.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,626,528.80 : 782,439,793.20 = 249,528,736.80 : x
  2. Step 2: Convert to fraction form
    521,626,528.80/782,439,793.20 = 249,528,736.80/x
  3. Step 3: Cross multiply
    521,626,528.80x = 782,439,793.20 × 249,528,736.80
  4. Step 4: Simplify right side
    521,626,528.80x = 195,241,213,219,249,248
  5. Step 5: Solve for x
    x = 195,241,213,219,249,248/521,626,528.80
  6. Step 6: Final answer
    x = 374,293,105.20

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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.