Home / 608,656,268,129.02-839,962,052,712.72-358,103,452,301.40

Finding the Fourth Proportional to 608,656,268,129.02, 839,962,052,712.72 and 358,103,452,301.40

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Solution

The fourth proportional to 608,656,268,129.02, 839,962,052,712.72 and 358,103,452,301.40 is: 494,192,414,715.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,656,268,129.02 : 839,962,052,712.72 = 358,103,452,301.40 : x
  2. Step 2: Convert to fraction form
    608,656,268,129.02/839,962,052,712.72 = 358,103,452,301.40/x
  3. Step 3: Cross multiply
    608,656,268,129.02x = 839,962,052,712.72 × 358,103,452,301.40
  4. Step 4: Simplify right side
    608,656,268,129.02x = 300,793,310,878,595,578,593,280
  5. Step 5: Solve for x
    x = 300,793,310,878,595,578,593,280/608,656,268,129.02
  6. Step 6: Final answer
    x = 494,192,414,715.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.