Home / 289,575,776,640.69-399,669,898,422.60-191,744,864,309.97

Finding the Fourth Proportional to 289,575,776,640.69, 399,669,898,422.60 and 191,744,864,309.97

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Solution

The fourth proportional to 289,575,776,640.69, 399,669,898,422.60 and 191,744,864,309.97 is: 264,644,547,727.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,575,776,640.69 : 399,669,898,422.60 = 191,744,864,309.97 : x
  2. Step 2: Convert to fraction form
    289,575,776,640.69/399,669,898,422.60 = 191,744,864,309.97/x
  3. Step 3: Cross multiply
    289,575,776,640.69x = 399,669,898,422.60 × 191,744,864,309.97
  4. Step 4: Simplify right side
    289,575,776,640.69x = 76,634,650,441,820,917,465,088
  5. Step 5: Solve for x
    x = 76,634,650,441,820,917,465,088/289,575,776,640.69
  6. Step 6: Final answer
    x = 264,644,547,727.18

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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.