Home / 760,142,083.97-1,048,949,798.47-421,030,458.38

Finding the Fourth Proportional to 760,142,083.97, 1,048,949,798.47 and 421,030,458.38

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Solution

The fourth proportional to 760,142,083.97, 1,048,949,798.47 and 421,030,458.38 is: 580,996,400.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,142,083.97 : 1,048,949,798.47 = 421,030,458.38 : x
  2. Step 2: Convert to fraction form
    760,142,083.97/1,048,949,798.47 = 421,030,458.38/x
  3. Step 3: Cross multiply
    760,142,083.97x = 1,048,949,798.47 × 421,030,458.38
  4. Step 4: Simplify right side
    760,142,083.97x = 441,639,814,469,002,496
  5. Step 5: Solve for x
    x = 441,639,814,469,002,496/760,142,083.97
  6. Step 6: Final answer
    x = 580,996,400.25

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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.