Home / 451,904,070.58-678,117,628.39-189,565,127.29

Finding the Fourth Proportional to 451,904,070.58, 678,117,628.39 and 189,565,127.29

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Solution

The fourth proportional to 451,904,070.58, 678,117,628.39 and 189,565,127.29 is: 284,457,394.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,904,070.58 : 678,117,628.39 = 189,565,127.29 : x
  2. Step 2: Convert to fraction form
    451,904,070.58/678,117,628.39 = 189,565,127.29/x
  3. Step 3: Cross multiply
    451,904,070.58x = 678,117,628.39 × 189,565,127.29
  4. Step 4: Simplify right side
    451,904,070.58x = 128,547,454,541,174,064
  5. Step 5: Solve for x
    x = 128,547,454,541,174,064/451,904,070.58
  6. Step 6: Final answer
    x = 284,457,394.63

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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.