Home / 1,337,472,851.20-2,005,537,430.40-609,639,251.20

Finding the Fourth Proportional to 1,337,472,851.20, 2,005,537,430.40 and 609,639,251.20

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Solution

The fourth proportional to 1,337,472,851.20, 2,005,537,430.40 and 609,639,251.20 is: 914,152,639.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,472,851.20 : 2,005,537,430.40 = 609,639,251.20 : x
  2. Step 2: Convert to fraction form
    1,337,472,851.20/2,005,537,430.40 = 609,639,251.20/x
  3. Step 3: Cross multiply
    1,337,472,851.20x = 2,005,537,430.40 × 609,639,251.20
  4. Step 4: Simplify right side
    1,337,472,851.20x = 1,222,654,337,322,628,352
  5. Step 5: Solve for x
    x = 1,222,654,337,322,628,352/1,337,472,851.20
  6. Step 6: Final answer
    x = 914,152,639.60

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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.