Home / 488,359,880.20-732,539,820.30-422,602,913.80

Finding the Fourth Proportional to 488,359,880.20, 732,539,820.30 and 422,602,913.80

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Solution

The fourth proportional to 488,359,880.20, 732,539,820.30 and 422,602,913.80 is: 633,904,370.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,359,880.20 : 732,539,820.30 = 422,602,913.80 : x
  2. Step 2: Convert to fraction form
    488,359,880.20/732,539,820.30 = 422,602,913.80/x
  3. Step 3: Cross multiply
    488,359,880.20x = 732,539,820.30 × 422,602,913.80
  4. Step 4: Simplify right side
    488,359,880.20x = 309,573,462,533,308,352
  5. Step 5: Solve for x
    x = 309,573,462,533,308,352/488,359,880.20
  6. Step 6: Final answer
    x = 633,904,370.70

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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.