Home / 578,046,727.02-797,705,253.39-313,728,720.15

Finding the Fourth Proportional to 578,046,727.02, 797,705,253.39 and 313,728,720.15

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Solution

The fourth proportional to 578,046,727.02, 797,705,253.39 and 313,728,720.15 is: 432,946,051.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,046,727.02 : 797,705,253.39 = 313,728,720.15 : x
  2. Step 2: Convert to fraction form
    578,046,727.02/797,705,253.39 = 313,728,720.15/x
  3. Step 3: Cross multiply
    578,046,727.02x = 797,705,253.39 × 313,728,720.15
  4. Step 4: Simplify right side
    578,046,727.02x = 250,263,048,202,976,128
  5. Step 5: Solve for x
    x = 250,263,048,202,976,128/578,046,727.02
  6. Step 6: Final answer
    x = 432,946,051.77

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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.