Home / 1,167,741,632.48-1,611,487,723.71-631,893,302.25

Finding the Fourth Proportional to 1,167,741,632.48, 1,611,487,723.71 and 631,893,302.25

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Solution

The fourth proportional to 1,167,741,632.48, 1,611,487,723.71 and 631,893,302.25 is: 872,015,068.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,741,632.48 : 1,611,487,723.71 = 631,893,302.25 : x
  2. Step 2: Convert to fraction form
    1,167,741,632.48/1,611,487,723.71 = 631,893,302.25/x
  3. Step 3: Cross multiply
    1,167,741,632.48x = 1,611,487,723.71 × 631,893,302.25
  4. Step 4: Simplify right side
    1,167,741,632.48x = 1,018,288,299,275,904,128
  5. Step 5: Solve for x
    x = 1,018,288,299,275,904,128/1,167,741,632.48
  6. Step 6: Final answer
    x = 872,015,068.19

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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.