Home / 388,071,656.10-582,107,484.15-311,544,152.10

Finding the Fourth Proportional to 388,071,656.10, 582,107,484.15 and 311,544,152.10

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Solution

The fourth proportional to 388,071,656.10, 582,107,484.15 and 311,544,152.10 is: 467,316,228.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,071,656.10 : 582,107,484.15 = 311,544,152.10 : x
  2. Step 2: Convert to fraction form
    388,071,656.10/582,107,484.15 = 311,544,152.10/x
  3. Step 3: Cross multiply
    388,071,656.10x = 582,107,484.15 × 311,544,152.10
  4. Step 4: Simplify right side
    388,071,656.10x = 181,352,182,580,575,936
  5. Step 5: Solve for x
    x = 181,352,182,580,575,936/388,071,656.10
  6. Step 6: Final answer
    x = 467,316,228.15

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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.