Home / 897,268,829.80-1,345,903,244.70-413,539,421.80

Finding the Fourth Proportional to 897,268,829.80, 1,345,903,244.70 and 413,539,421.80

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Solution

The fourth proportional to 897,268,829.80, 1,345,903,244.70 and 413,539,421.80 is: 620,309,132.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,268,829.80 : 1,345,903,244.70 = 413,539,421.80 : x
  2. Step 2: Convert to fraction form
    897,268,829.80/1,345,903,244.70 = 413,539,421.80/x
  3. Step 3: Cross multiply
    897,268,829.80x = 1,345,903,244.70 × 413,539,421.80
  4. Step 4: Simplify right side
    897,268,829.80x = 556,584,049,611,981,952
  5. Step 5: Solve for x
    x = 556,584,049,611,981,952/897,268,829.80
  6. Step 6: Final answer
    x = 620,309,132.70

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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.