Home / 586,690,266.80-878,691,707.40-299,140,007.60

Finding the Fourth Proportional to 586,690,266.80, 878,691,707.40 and 299,140,007.60

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Solution

The fourth proportional to 586,690,266.80, 878,691,707.40 and 299,140,007.60 is: 448,024,893.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,690,266.80 : 878,691,707.40 = 299,140,007.60 : x
  2. Step 2: Convert to fraction form
    586,690,266.80/878,691,707.40 = 299,140,007.60/x
  3. Step 3: Cross multiply
    586,690,266.80x = 878,691,707.40 × 299,140,007.60
  4. Step 4: Simplify right side
    586,690,266.80x = 262,851,844,029,692,992
  5. Step 5: Solve for x
    x = 262,851,844,029,692,992/586,690,266.80
  6. Step 6: Final answer
    x = 448,024,893.04

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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.